The clean & modern RSS server that doesn't give you any crap.
https://thearsse.com/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1476 lines
79 KiB
1476 lines
79 KiB
<?php
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/** @license MIT
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* Copyright 2017 J. King, Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace JKingWeb\Arsse;
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use PasswordGenerator\Generator as PassGen;
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use JKingWeb\DrUUID\UUID;
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use JKingWeb\Arsse\Misc\Query;
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use JKingWeb\Arsse\Misc\Context;
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use JKingWeb\Arsse\Misc\Date;
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use JKingWeb\Arsse\Misc\ValueInfo;
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class Database {
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const SCHEMA_VERSION = 2;
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const LIMIT_ARTICLES = 50;
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// articleList verbosity levels
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const LIST_MINIMAL = 0; // only that metadata which is required for context matching
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const LIST_CONSERVATIVE = 1; // base metadata plus anything that is not potentially large text
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const LIST_TYPICAL = 2; // conservative, with the addition of content
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const LIST_FULL = 3; // all possible fields
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/** @var Db\Driver */
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public $db;
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public function __construct($initialize = true) {
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$driver = Arsse::$conf->dbDriver;
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$this->db = new $driver();
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$ver = $this->db->schemaVersion();
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if ($initialize && $ver < self::SCHEMA_VERSION) {
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$this->db->schemaUpdate(self::SCHEMA_VERSION);
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}
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}
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protected function caller(): string {
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return debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3)[2]['function'];
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}
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public static function driverList(): array {
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$sep = \DIRECTORY_SEPARATOR;
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$path = __DIR__.$sep."Db".$sep;
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$classes = [];
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foreach (glob($path."*".$sep."Driver.php") as $file) {
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$name = basename(dirname($file));
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$class = NS_BASE."Db\\$name\\Driver";
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$classes[$class] = $class::driverName();
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}
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return $classes;
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}
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public function driverSchemaVersion(): int {
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return $this->db->schemaVersion();
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}
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public function driverSchemaUpdate(): bool {
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if ($this->db->schemaVersion() < self::SCHEMA_VERSION) {
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return $this->db->schemaUpdate(self::SCHEMA_VERSION);
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}
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return false;
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}
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public function driverCharsetAcceptable(): bool {
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return $this->db->charsetAcceptable();
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}
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protected function generateSet(array $props, array $valid): array {
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$out = [
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[], // query clause
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[], // binding types
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[], // binding values
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];
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foreach ($valid as $prop => $type) {
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if (!array_key_exists($prop, $props)) {
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continue;
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}
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$out[0][] = "$prop = ?";
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$out[1][] = $type;
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$out[2][] = $props[$prop];
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}
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$out[0] = implode(", ", $out[0]);
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return $out;
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}
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protected function generateIn(array $values, string $type) {
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$out = [
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[], // query clause
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[], // binding types
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];
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// the query clause is just a series of question marks separated by commas
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$out[0] = implode(",", array_fill(0, sizeof($values), "?"));
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// the binding types are just a repetition of the supplied type
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$out[1] = array_fill(0, sizeof($values), $type);
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return $out;
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}
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public function begin(): Db\Transaction {
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return $this->db->begin();
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}
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public function metaGet(string $key) {
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return $this->db->prepare("SELECT value from arsse_meta where key is ?", "str")->run($key)->getValue();
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}
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public function metaSet(string $key, $value, string $type = "str"): bool {
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$out = $this->db->prepare("UPDATE arsse_meta set value = ? where key is ?", $type, "str")->run($value, $key)->changes();
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if (!$out) {
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$out = $this->db->prepare("INSERT INTO arsse_meta(key,value) values(?,?)", "str", $type)->run($key, $value)->changes();
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}
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return (bool) $out;
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}
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public function metaRemove(string $key): bool {
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return (bool) $this->db->prepare("DELETE from arsse_meta where key is ?", "str")->run($key)->changes();
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}
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public function userExists(string $user): bool {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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return (bool) $this->db->prepare("SELECT count(*) from arsse_users where id is ?", "str")->run($user)->getValue();
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}
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public function userAdd(string $user, string $password = null): string {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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} elseif ($this->userExists($user)) {
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throw new User\Exception("alreadyExists", ["action" => __FUNCTION__, "user" => $user]);
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}
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if ($password===null) {
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$password = (new PassGen)->length(Arsse::$conf->userTempPasswordLength)->get();
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}
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$hash = "";
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if (strlen($password) > 0) {
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$hash = password_hash($password, \PASSWORD_DEFAULT);
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}
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$this->db->prepare("INSERT INTO arsse_users(id,password) values(?,?)", "str", "str")->runArray([$user,$hash]);
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return $password;
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}
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public function userRemove(string $user): bool {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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if ($this->db->prepare("DELETE from arsse_users where id is ?", "str")->run($user)->changes() < 1) {
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throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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}
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return true;
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}
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public function userList(string $domain = null): array {
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$out = [];
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if ($domain !== null) {
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if (!Arsse::$user->authorize("@".$domain, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $domain]);
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}
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$domain = str_replace(["\\","%","_"], ["\\\\", "\\%", "\\_"], $domain);
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$domain = "%@".$domain;
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foreach ($this->db->prepare("SELECT id from arsse_users where id like ?", "str")->run($domain) as $user) {
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$out[] = $user['id'];
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}
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} else {
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if (!Arsse::$user->authorize("", __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => "global"]);
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}
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foreach ($this->db->query("SELECT id from arsse_users") as $user) {
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$out[] = $user['id'];
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}
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}
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return $out;
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}
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public function userPasswordGet(string $user): string {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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} elseif (!$this->userExists($user)) {
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throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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}
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return (string) $this->db->prepare("SELECT password from arsse_users where id is ?", "str")->run($user)->getValue();
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}
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public function userPasswordSet(string $user, string $password = null): string {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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} elseif (!$this->userExists($user)) {
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throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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}
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if ($password===null) {
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$password = (new PassGen)->length(Arsse::$conf->userTempPasswordLength)->get();
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}
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$hash = "";
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if (strlen($password) > 0) {
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$hash = password_hash($password, \PASSWORD_DEFAULT);
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}
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$this->db->prepare("UPDATE arsse_users set password = ? where id is ?", "str", "str")->run($hash, $user);
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return $password;
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}
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public function userPropertiesGet(string $user): array {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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$prop = $this->db->prepare("SELECT name,rights from arsse_users where id is ?", "str")->run($user)->getRow();
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if (!$prop) {
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throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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}
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return $prop;
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}
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public function userPropertiesSet(string $user, array $properties): array {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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} elseif (!$this->userExists($user)) {
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throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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}
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$valid = [ // FIXME: add future properties
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"name" => "str",
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];
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list($setClause, $setTypes, $setValues) = $this->generateSet($properties, $valid);
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if (!$setClause) {
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// if no changes would actually be applied, just return
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return $this->userPropertiesGet($user);
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}
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$this->db->prepare("UPDATE arsse_users set $setClause where id is ?", $setTypes, "str")->run($setValues, $user);
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return $this->userPropertiesGet($user);
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}
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public function userRightsGet(string $user): int {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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return (int) $this->db->prepare("SELECT rights from arsse_users where id is ?", "str")->run($user)->getValue();
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}
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public function userRightsSet(string $user, int $rights): bool {
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if (!Arsse::$user->authorize($user, __FUNCTION__, $rights)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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} elseif (!$this->userExists($user)) {
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throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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}
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$this->db->prepare("UPDATE arsse_users set rights = ? where id is ?", "int", "str")->run($rights, $user);
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return true;
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}
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public function sessionCreate(string $user): string {
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// If the user isn't authorized to perform this action then throw an exception.
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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// generate a new session ID and expiry date
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$id = UUID::mint()->hex;
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$expires = Date::add(Arsse::$conf->userSessionTimeout);
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// save the session to the database
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$this->db->prepare("INSERT INTO arsse_sessions(id,expires,user) values(?,?,?)", "str", "datetime", "str")->run($id, $expires, $user);
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// return the ID
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return $id;
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}
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public function sessionDestroy(string $user, string $id): bool {
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// If the user isn't authorized to perform this action then throw an exception.
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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// delete the session and report success.
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return (bool) $this->db->prepare("DELETE FROM arsse_sessions where id is ? and user is ?", "str", "str")->run($id, $user)->changes();
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}
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public function sessionResume(string $id): array {
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$maxAge = Date::sub(Arsse::$conf->userSessionLifetime);
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$out = $this->db->prepare("SELECT id,created,expires,user from arsse_sessions where id is ? and expires > CURRENT_TIMESTAMP and created > ?", "str", "datetime")->run($id, $maxAge)->getRow();
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// if the session does not exist or is expired, throw an exception
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if (!$out) {
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throw new User\ExceptionSession("invalid", $id);
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}
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// if we're more than half-way from the session expiring, renew it
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if ($this->sessionExpiringSoon(Date::normalize($out['expires'], "sql"))) {
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$expires = Date::add(Arsse::$conf->userSessionTimeout);
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$this->db->prepare("UPDATE arsse_sessions set expires = ? where id is ?", "datetime", "str")->run($expires, $id);
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}
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return $out;
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}
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public function sessionCleanup(): int {
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$maxAge = Date::sub(Arsse::$conf->userSessionLifetime);
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return $this->db->prepare("DELETE FROM arsse_sessions where expires < CURRENT_TIMESTAMP or created < ?", "datetime")->run($maxAge)->changes();
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}
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protected function sessionExpiringSoon(\DateTimeInterface $expiry): bool {
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// calculate half the session timeout as a number of seconds
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$now = time();
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$max = Date::add(Arsse::$conf->userSessionTimeout, $now)->getTimestamp();
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$diff = intdiv($max - $now, 2);
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// determine if the expiry time is less than half the session timeout into the future
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return (($now + $diff) >= $expiry->getTimestamp());
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}
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public function folderAdd(string $user, array $data): int {
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// If the user isn't authorized to perform this action then throw an exception.
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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// normalize folder's parent, if there is one
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$parent = array_key_exists("parent", $data) ? $this->folderValidateId($user, $data['parent'])['id'] : null;
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// validate the folder name and parent (if specified); this also checks for duplicates
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$name = array_key_exists("name", $data) ? $data['name'] : "";
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$this->folderValidateName($name, true, $parent);
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// actually perform the insert
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return $this->db->prepare("INSERT INTO arsse_folders(owner,parent,name) values(?,?,?)", "str", "int", "str")->run($user, $parent, $name)->lastId();
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}
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public function folderList(string $user, $parent = null, bool $recursive = true): Db\Result {
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// if the user isn't authorized to perform this action then throw an exception.
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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// check to make sure the parent exists, if one is specified
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$parent = $this->folderValidateId($user, $parent)['id'];
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$q = new Query(
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"SELECT
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id,name,parent,
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(select count(*) from arsse_folders as parents where parents.parent is arsse_folders.id) as children,
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(select count(*) from arsse_subscriptions where folder is arsse_folders.id) as feeds
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FROM arsse_folders"
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);
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if (!$recursive) {
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$q->setWhere("owner is ?", "str", $user);
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$q->setWhere("parent is ?", "int", $parent);
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} else {
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$q->setCTE("folders", "SELECT id from arsse_folders where owner is ? and parent is ? union select arsse_folders.id from arsse_folders join folders on arsse_folders.parent=folders.id", ["str", "int"], [$user, $parent]);
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$q->setWhere("id in (SELECT id from folders)");
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}
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$q->setOrder("name");
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return $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues());
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}
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public function folderRemove(string $user, $id): bool {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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if (!ValueInfo::id($id)) {
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throw new Db\ExceptionInput("typeViolation", ["action" => __FUNCTION__, "field" => "folder", 'type' => "int > 0"]);
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}
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$changes = $this->db->prepare("DELETE FROM arsse_folders where owner is ? and id is ?", "str", "int")->run($user, $id)->changes();
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if (!$changes) {
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throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "folder", 'id' => $id]);
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}
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return true;
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}
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public function folderPropertiesGet(string $user, $id): array {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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if (!ValueInfo::id($id)) {
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throw new Db\ExceptionInput("typeViolation", ["action" => __FUNCTION__, "field" => "folder", 'type' => "int > 0"]);
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}
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$props = $this->db->prepare("SELECT id,name,parent from arsse_folders where owner is ? and id is ?", "str", "int")->run($user, $id)->getRow();
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if (!$props) {
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throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "folder", 'id' => $id]);
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}
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return $props;
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}
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public function folderPropertiesSet(string $user, $id, array $data): bool {
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if (!Arsse::$user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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// verify the folder belongs to the user
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$in = $this->folderValidateId($user, $id, true);
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$name = array_key_exists("name", $data);
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$parent = array_key_exists("parent", $data);
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if ($name && $parent) {
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// if a new name and parent are specified, validate both together
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$this->folderValidateName($data['name']);
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$in['name'] = $data['name'];
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$in['parent'] = $this->folderValidateMove($user, (int) $id, $data['parent'], $data['name']);
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} elseif ($name) {
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// if we're trying to rename the root folder, this simply fails
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if (!$id) {
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return false;
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}
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// if a new name is specified, validate it
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$this->folderValidateName($data['name'], true, $in['parent']);
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$in['name'] = $data['name'];
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} elseif ($parent) {
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// if a new parent is specified, validate it
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$in['parent'] = $this->folderValidateMove($user, (int) $id, $data['parent']);
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} else {
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// if no changes would actually be applied, just return
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return false;
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}
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$valid = [
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'name' => "str",
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'parent' => "int",
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];
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list($setClause, $setTypes, $setValues) = $this->generateSet($in, $valid);
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return (bool) $this->db->prepare("UPDATE arsse_folders set $setClause, modified = CURRENT_TIMESTAMP where owner is ? and id is ?", $setTypes, "str", "int")->run($setValues, $user, $id)->changes();
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}
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protected function folderValidateId(string $user, $id = null, bool $subject = false): array {
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// if the specified ID is not a non-negative integer (or null), this will always fail
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if (!ValueInfo::id($id, true)) {
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throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "folder", 'type' => "int >= 0"]);
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}
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// if a null or zero ID is specified this is a no-op
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if (!$id) {
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return ['id' => null, 'name' => null, 'parent' => null];
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}
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// check whether the folder exists and is owned by the user
|
|
$f = $this->db->prepare("SELECT id,name,parent from arsse_folders where owner is ? and id is ?", "str", "int")->run($user, $id)->getRow();
|
|
if (!$f) {
|
|
throw new Db\ExceptionInput($subject ? "subjectMissing" : "idMissing", ["action" => $this->caller(), "field" => "folder", 'id' => $id]);
|
|
}
|
|
return $f;
|
|
}
|
|
|
|
protected function folderValidateMove(string $user, int $id = null, $parent = null, string $name = null) {
|
|
$errData = ["action" => $this->caller(), "field" => "parent", 'id' => $parent];
|
|
if (!$id) {
|
|
// the root cannot be moved
|
|
throw new Db\ExceptionInput("circularDependence", $errData);
|
|
}
|
|
$info = ValueInfo::int($parent);
|
|
// the root is always a valid parent
|
|
if ($info & (ValueInfo::NULL | ValueInfo::ZERO)) {
|
|
$parent = null;
|
|
} else {
|
|
// if a negative integer or non-integer is specified this will always fail
|
|
if (!($info & ValueInfo::VALID) || (($info & ValueInfo::NEG))) {
|
|
throw new Db\ExceptionInput("idMissing", $errData);
|
|
}
|
|
$parent = (int) $parent;
|
|
}
|
|
// if the target parent is the folder itself, this is a circular dependence
|
|
if ($id==$parent) {
|
|
throw new Db\ExceptionInput("circularDependence", $errData);
|
|
}
|
|
// make sure both that the prospective parent exists, and that the it is not one of its children (a circular dependence);
|
|
// also make sure that a folder with the same prospective name and parent does not already exist: if the parent is null,
|
|
// SQL will happily accept duplicates (null is not unique), so we must do this check ourselves
|
|
$p = $this->db->prepare(
|
|
"WITH RECURSIVE
|
|
target as (select ? as user, ? as source, ? as dest, ? as rename),
|
|
folders as (SELECT id from arsse_folders join target on owner is user and parent is source union select arsse_folders.id as id from arsse_folders join folders on arsse_folders.parent=folders.id)
|
|
".
|
|
"SELECT
|
|
((select dest from target) is null or exists(select id from arsse_folders join target on owner is user and id is dest)) as extant,
|
|
not exists(select id from folders where id is (select dest from target)) as valid,
|
|
not exists(select id from arsse_folders join target on parent is dest and name is coalesce((select rename from target),(select name from arsse_folders join target on id is source))) as available
|
|
", "str", "int", "int", "str"
|
|
)->run($user, $id, $parent, $name)->getRow();
|
|
if (!$p['extant']) {
|
|
// if the parent doesn't exist or doesn't below to the user, throw an exception
|
|
throw new Db\ExceptionInput("idMissing", $errData);
|
|
} elseif (!$p['valid']) {
|
|
// if using the desired parent would create a circular dependence, throw a different exception
|
|
throw new Db\ExceptionInput("circularDependence", $errData);
|
|
} elseif (!$p['available']) {
|
|
// if a folder with the same parent and name already exists, throw another different exception
|
|
throw new Db\ExceptionInput("constraintViolation", ["action" => $this->caller(), "field" => (is_null($name) ? "parent" : "name")]);
|
|
}
|
|
return $parent;
|
|
}
|
|
|
|
protected function folderValidateName($name, bool $checkDuplicates = false, int $parent = null): bool {
|
|
$info = ValueInfo::str($name);
|
|
if ($info & (ValueInfo::NULL | ValueInfo::EMPTY)) {
|
|
throw new Db\ExceptionInput("missing", ["action" => $this->caller(), "field" => "name"]);
|
|
} elseif ($info & ValueInfo::WHITE) {
|
|
throw new Db\ExceptionInput("whitespace", ["action" => $this->caller(), "field" => "name"]);
|
|
} elseif (!($info & ValueInfo::VALID)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "name", 'type' => "string"]);
|
|
} elseif ($checkDuplicates) {
|
|
// make sure that a folder with the same prospective name and parent does not already exist: if the parent is null,
|
|
// SQL will happily accept duplicates (null is not unique), so we must do this check ourselves
|
|
$parent = $parent ? $parent : null;
|
|
if ($this->db->prepare("SELECT exists(select id from arsse_folders where parent is ? and name is ?)", "int", "str")->run($parent, $name)->getValue()) {
|
|
throw new Db\ExceptionInput("constraintViolation", ["action" => $this->caller(), "field" => "name"]);
|
|
}
|
|
return true;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
public function subscriptionAdd(string $user, string $url, string $fetchUser = "", string $fetchPassword = "", bool $discover = true): int {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
// check to see if the feed exists
|
|
$check = $this->db->prepare("SELECT id from arsse_feeds where url is ? and username is ? and password is ?", "str", "str", "str");
|
|
$feedID = $check->run($url, $fetchUser, $fetchPassword)->getValue();
|
|
if ($discover && is_null($feedID)) {
|
|
// if the feed doesn't exist, first perform discovery if requested and check for the existence of that URL
|
|
$url = Feed::discover($url, $fetchUser, $fetchPassword);
|
|
$feedID = $check->run($url, $fetchUser, $fetchPassword)->getValue();
|
|
}
|
|
if (is_null($feedID)) {
|
|
// if the feed still doesn't exist in the database, add it to the database; we do this unconditionally so as to lock SQLite databases for as little time as possible
|
|
$feedID = $this->db->prepare('INSERT INTO arsse_feeds(url,username,password) values(?,?,?)', 'str', 'str', 'str')->run($url, $fetchUser, $fetchPassword)->lastId();
|
|
try {
|
|
// perform an initial update on the newly added feed
|
|
$this->feedUpdate($feedID, true);
|
|
} catch (\Throwable $e) {
|
|
// if the update fails, delete the feed we just added
|
|
$this->db->prepare('DELETE from arsse_feeds where id is ?', 'int')->run($feedID);
|
|
throw $e;
|
|
}
|
|
}
|
|
// Add the feed to the user's subscriptions and return the new subscription's ID.
|
|
return $this->db->prepare('INSERT INTO arsse_subscriptions(owner,feed) values(?,?)', 'str', 'int')->run($user, $feedID)->lastId();
|
|
}
|
|
|
|
public function subscriptionList(string $user, $folder = null, bool $recursive = true, int $id = null): Db\Result {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
// validate inputs
|
|
$folder = $this->folderValidateId($user, $folder)['id'];
|
|
// create a complex query
|
|
$q = new Query(
|
|
"SELECT
|
|
arsse_subscriptions.id as id,
|
|
feed,url,favicon,source,folder,pinned,err_count,err_msg,order_type,added,
|
|
arsse_feeds.updated as updated,
|
|
topmost.top as top_folder,
|
|
coalesce(arsse_subscriptions.title, arsse_feeds.title) as title,
|
|
(SELECT count(*) from arsse_articles where feed is arsse_subscriptions.feed) - (SELECT count(*) from arsse_marks where subscription is arsse_subscriptions.id and read is 1) as unread
|
|
from arsse_subscriptions
|
|
join user on user is owner
|
|
join arsse_feeds on feed = arsse_feeds.id
|
|
left join topmost on folder=f_id"
|
|
);
|
|
$q->setOrder("pinned desc, title");
|
|
// define common table expressions
|
|
$q->setCTE("user(user)", "SELECT ?", "str", $user); // the subject user; this way we only have to pass it to prepare() once
|
|
// topmost folders belonging to the user
|
|
$q->setCTE("topmost(f_id,top)", "SELECT id,id from arsse_folders join user on owner is user where parent is null union select id,top from arsse_folders join topmost on parent=f_id");
|
|
if ($id) {
|
|
// this condition facilitates the implementation of subscriptionPropertiesGet, which would otherwise have to duplicate the complex query; it takes precedence over a specified folder
|
|
// if an ID is specified, add a suitable WHERE condition and bindings
|
|
$q->setWhere("arsse_subscriptions.id is ?", "int", $id);
|
|
} elseif ($folder && $recursive) {
|
|
// if a folder is specified and we're listing recursively, add a common table expression to list it and its children so that we select from the entire subtree
|
|
$q->setCTE("folders(folder)", "SELECT ? union select id from arsse_folders join folders on parent is folder", "int", $folder);
|
|
// add a suitable WHERE condition
|
|
$q->setWhere("folder in (select folder from folders)");
|
|
} elseif (!$recursive) {
|
|
// if we're not listing recursively, match against only the specified folder (even if it is null)
|
|
$q->setWhere("folder is ?", "int", $folder);
|
|
}
|
|
return $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues());
|
|
}
|
|
|
|
public function subscriptionCount(string $user, $folder = null): int {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
// validate inputs
|
|
$folder = $this->folderValidateId($user, $folder)['id'];
|
|
// create a complex query
|
|
$q = new Query("SELECT count(*) from arsse_subscriptions");
|
|
$q->setWhere("owner is ?", "str", $user);
|
|
if ($folder) {
|
|
// if it does exist, add a common table expression to list it and its children so that we select from the entire subtree
|
|
$q->setCTE("folders(folder)", "SELECT ? union select id from arsse_folders join folders on parent is folder", "int", $folder);
|
|
// add a suitable WHERE condition
|
|
$q->setWhere("folder in (select folder from folders)");
|
|
}
|
|
return $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues())->getValue();
|
|
}
|
|
|
|
public function subscriptionRemove(string $user, $id): bool {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
if (!ValueInfo::id($id)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => __FUNCTION__, "field" => "feed", 'type' => "int > 0"]);
|
|
}
|
|
$changes = $this->db->prepare("DELETE from arsse_subscriptions where owner is ? and id is ?", "str", "int")->run($user, $id)->changes();
|
|
if (!$changes) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "feed", 'id' => $id]);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public function subscriptionPropertiesGet(string $user, $id): array {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
if (!ValueInfo::id($id)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => __FUNCTION__, "field" => "feed", 'type' => "int > 0"]);
|
|
}
|
|
// disable authorization checks for the list call
|
|
Arsse::$user->authorizationEnabled(false);
|
|
$sub = $this->subscriptionList($user, null, true, (int) $id)->getRow();
|
|
Arsse::$user->authorizationEnabled(true);
|
|
if (!$sub) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "feed", 'id' => $id]);
|
|
}
|
|
return $sub;
|
|
}
|
|
|
|
public function subscriptionPropertiesSet(string $user, $id, array $data): bool {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$tr = $this->db->begin();
|
|
// validate the ID
|
|
$id = $this->subscriptionValidateId($user, $id, true)['id'];
|
|
if (array_key_exists("folder", $data)) {
|
|
// ensure the target folder exists and belong to the user
|
|
$data['folder'] = $this->folderValidateId($user, $data['folder'])['id'];
|
|
}
|
|
if (array_key_exists("title", $data)) {
|
|
// if the title is null, this signals intended use of the default title; otherwise make sure it's not effectively an empty string
|
|
if (!is_null($data['title'])) {
|
|
$info = ValueInfo::str($data['title']);
|
|
if ($info & ValueInfo::EMPTY) {
|
|
throw new Db\ExceptionInput("missing", ["action" => __FUNCTION__, "field" => "title"]);
|
|
} elseif ($info & ValueInfo::WHITE) {
|
|
throw new Db\ExceptionInput("whitespace", ["action" => __FUNCTION__, "field" => "title"]);
|
|
} elseif (!($info & ValueInfo::VALID)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => __FUNCTION__, "field" => "title", 'type' => "string"]);
|
|
}
|
|
}
|
|
}
|
|
$valid = [
|
|
'title' => "str",
|
|
'folder' => "int",
|
|
'order_type' => "strict int",
|
|
'pinned' => "strict bool",
|
|
];
|
|
list($setClause, $setTypes, $setValues) = $this->generateSet($data, $valid);
|
|
if (!$setClause) {
|
|
// if no changes would actually be applied, just return
|
|
return false;
|
|
}
|
|
$out = (bool) $this->db->prepare("UPDATE arsse_subscriptions set $setClause, modified = CURRENT_TIMESTAMP where owner is ? and id is ?", $setTypes, "str", "int")->run($setValues, $user, $id)->changes();
|
|
$tr->commit();
|
|
return $out;
|
|
}
|
|
|
|
public function subscriptionFavicon(int $id): string {
|
|
return (string) $this->db->prepare("SELECT favicon from arsse_feeds join arsse_subscriptions on feed is arsse_feeds.id where arsse_subscriptions.id is ?", "int")->run($id)->getValue();
|
|
}
|
|
|
|
protected function subscriptionValidateId(string $user, $id, bool $subject = false): array {
|
|
if (!ValueInfo::id($id)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "feed", 'type' => "int > 0"]);
|
|
}
|
|
$out = $this->db->prepare("SELECT id,feed from arsse_subscriptions where id is ? and owner is ?", "int", "str")->run($id, $user)->getRow();
|
|
if (!$out) {
|
|
throw new Db\ExceptionInput($subject ? "subjectMissing" : "idMissing", ["action" => $this->caller(), "field" => "subscription", 'id' => $id]);
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
public function feedListStale(): array {
|
|
$feeds = $this->db->query("SELECT id from arsse_feeds where next_fetch <= CURRENT_TIMESTAMP")->getAll();
|
|
return array_column($feeds, 'id');
|
|
}
|
|
|
|
public function feedUpdate($feedID, bool $throwError = false): bool {
|
|
$tr = $this->db->begin();
|
|
// check to make sure the feed exists
|
|
if (!ValueInfo::id($feedID)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => __FUNCTION__, "field" => "feed", 'id' => $feedID, 'type' => "int > 0"]);
|
|
}
|
|
$f = $this->db->prepare("SELECT url, username, password, modified, etag, err_count, scrape FROM arsse_feeds where id is ?", "int")->run($feedID)->getRow();
|
|
if (!$f) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "feed", 'id' => $feedID]);
|
|
}
|
|
// determine whether the feed's items should be scraped for full content from the source Web site
|
|
$scrape = (Arsse::$conf->fetchEnableScraping && $f['scrape']);
|
|
// the Feed object throws an exception when there are problems, but that isn't ideal
|
|
// here. When an exception is thrown it should update the database with the
|
|
// error instead of failing; if other exceptions are thrown, we should simply roll back
|
|
try {
|
|
$feed = new Feed((int) $feedID, $f['url'], (string) Date::transform($f['modified'], "http", "sql"), $f['etag'], $f['username'], $f['password'], $scrape);
|
|
if (!$feed->modified) {
|
|
// if the feed hasn't changed, just compute the next fetch time and record it
|
|
$this->db->prepare("UPDATE arsse_feeds SET updated = CURRENT_TIMESTAMP, next_fetch = ? WHERE id is ?", 'datetime', 'int')->run($feed->nextFetch, $feedID);
|
|
$tr->commit();
|
|
return false;
|
|
}
|
|
} catch (Feed\Exception $e) {
|
|
// update the database with the resultant error and the next fetch time, incrementing the error count
|
|
$this->db->prepare(
|
|
"UPDATE arsse_feeds SET updated = CURRENT_TIMESTAMP, next_fetch = ?, err_count = err_count + 1, err_msg = ? WHERE id is ?",
|
|
'datetime', 'str', 'int'
|
|
)->run(Feed::nextFetchOnError($f['err_count']), $e->getMessage(), $feedID);
|
|
$tr->commit();
|
|
if ($throwError) {
|
|
throw $e;
|
|
}
|
|
return false;
|
|
}
|
|
//prepare the necessary statements to perform the update
|
|
if (sizeof($feed->newItems) || sizeof($feed->changedItems)) {
|
|
$qInsertEnclosure = $this->db->prepare("INSERT INTO arsse_enclosures(article,url,type) values(?,?,?)", 'int', 'str', 'str');
|
|
$qInsertCategory = $this->db->prepare("INSERT INTO arsse_categories(article,name) values(?,?)", 'int', 'str');
|
|
$qInsertEdition = $this->db->prepare("INSERT INTO arsse_editions(article) values(?)", 'int');
|
|
}
|
|
if (sizeof($feed->newItems)) {
|
|
$qInsertArticle = $this->db->prepare(
|
|
"INSERT INTO arsse_articles(url,title,author,published,edited,guid,content,url_title_hash,url_content_hash,title_content_hash,feed) values(?,?,?,?,?,?,?,?,?,?,?)",
|
|
'str', 'str', 'str', 'datetime', 'datetime', 'str', 'str', 'str', 'str', 'str', 'int'
|
|
);
|
|
}
|
|
if (sizeof($feed->changedItems)) {
|
|
$qDeleteEnclosures = $this->db->prepare("DELETE FROM arsse_enclosures WHERE article is ?", 'int');
|
|
$qDeleteCategories = $this->db->prepare("DELETE FROM arsse_categories WHERE article is ?", 'int');
|
|
$qClearReadMarks = $this->db->prepare("UPDATE arsse_marks SET read = 0, modified = CURRENT_TIMESTAMP WHERE article is ? and read is 1", 'int');
|
|
$qUpdateArticle = $this->db->prepare(
|
|
"UPDATE arsse_articles SET url = ?, title = ?, author = ?, published = ?, edited = ?, modified = CURRENT_TIMESTAMP, guid = ?, content = ?, url_title_hash = ?, url_content_hash = ?, title_content_hash = ? WHERE id is ?",
|
|
'str', 'str', 'str', 'datetime', 'datetime', 'str', 'str', 'str', 'str', 'str', 'int'
|
|
);
|
|
}
|
|
// actually perform updates
|
|
foreach ($feed->newItems as $article) {
|
|
$articleID = $qInsertArticle->run(
|
|
$article->url,
|
|
$article->title,
|
|
$article->author,
|
|
$article->publishedDate,
|
|
$article->updatedDate,
|
|
$article->id,
|
|
$article->content,
|
|
$article->urlTitleHash,
|
|
$article->urlContentHash,
|
|
$article->titleContentHash,
|
|
$feedID
|
|
)->lastId();
|
|
if ($article->enclosureUrl) {
|
|
$qInsertEnclosure->run($articleID, $article->enclosureUrl, $article->enclosureType);
|
|
}
|
|
foreach ($article->categories as $c) {
|
|
$qInsertCategory->run($articleID, $c);
|
|
}
|
|
$qInsertEdition->run($articleID);
|
|
}
|
|
foreach ($feed->changedItems as $articleID => $article) {
|
|
$qUpdateArticle->run(
|
|
$article->url,
|
|
$article->title,
|
|
$article->author,
|
|
$article->publishedDate,
|
|
$article->updatedDate,
|
|
$article->id,
|
|
$article->content,
|
|
$article->urlTitleHash,
|
|
$article->urlContentHash,
|
|
$article->titleContentHash,
|
|
$articleID
|
|
);
|
|
$qDeleteEnclosures->run($articleID);
|
|
$qDeleteCategories->run($articleID);
|
|
if ($article->enclosureUrl) {
|
|
$qInsertEnclosure->run($articleID, $article->enclosureUrl, $article->enclosureType);
|
|
}
|
|
foreach ($article->categories as $c) {
|
|
$qInsertCategory->run($articleID, $c);
|
|
}
|
|
$qInsertEdition->run($articleID);
|
|
$qClearReadMarks->run($articleID);
|
|
}
|
|
// lastly update the feed database itself with updated information.
|
|
$this->db->prepare(
|
|
"UPDATE arsse_feeds SET url = ?, title = ?, favicon = ?, source = ?, updated = CURRENT_TIMESTAMP, modified = ?, etag = ?, err_count = 0, err_msg = '', next_fetch = ?, size = ? WHERE id is ?",
|
|
'str', 'str', 'str', 'str', 'datetime', 'str', 'datetime', 'int', 'int'
|
|
)->run(
|
|
$feed->data->feedUrl,
|
|
$feed->data->title,
|
|
$feed->favicon,
|
|
$feed->data->siteUrl,
|
|
$feed->lastModified,
|
|
$feed->resource->getEtag(),
|
|
$feed->nextFetch,
|
|
sizeof($feed->data->items),
|
|
$feedID
|
|
);
|
|
$tr->commit();
|
|
return true;
|
|
}
|
|
|
|
public function feedCleanup(): bool {
|
|
$tr = $this->begin();
|
|
// first unmark any feeds which are no longer orphaned
|
|
$this->db->query("UPDATE arsse_feeds set orphaned = null where exists(SELECT id from arsse_subscriptions where feed is arsse_feeds.id)");
|
|
// next mark any newly orphaned feeds with the current date and time
|
|
$this->db->query("UPDATE arsse_feeds set orphaned = CURRENT_TIMESTAMP where orphaned is null and not exists(SELECT id from arsse_subscriptions where feed is arsse_feeds.id)");
|
|
// finally delete feeds that have been orphaned longer than the retention period
|
|
$limit = Date::normalize("now");
|
|
if (Arsse::$conf->purgeFeeds) {
|
|
// if there is a retention period specified, compute it; otherwise feed are deleted immediatelty
|
|
$limit->sub(new \DateInterval(Arsse::$conf->purgeFeeds));
|
|
}
|
|
$out = (bool) $this->db->prepare("DELETE from arsse_feeds where orphaned <= ?", "datetime")->run($limit);
|
|
// commit changes and return
|
|
$tr->commit();
|
|
return $out;
|
|
}
|
|
|
|
public function feedMatchLatest(int $feedID, int $count): Db\Result {
|
|
return $this->db->prepare(
|
|
"SELECT id, edited, guid, url_title_hash, url_content_hash, title_content_hash FROM arsse_articles WHERE feed is ? ORDER BY modified desc, id desc limit ?",
|
|
'int', 'int'
|
|
)->run($feedID, $count);
|
|
}
|
|
|
|
public function feedMatchIds(int $feedID, array $ids = [], array $hashesUT = [], array $hashesUC = [], array $hashesTC = []): Db\Result {
|
|
// compile SQL IN() clauses and necessary type bindings for the four identifier lists
|
|
list($cId, $tId) = $this->generateIn($ids, "str");
|
|
list($cHashUT, $tHashUT) = $this->generateIn($hashesUT, "str");
|
|
list($cHashUC, $tHashUC) = $this->generateIn($hashesUC, "str");
|
|
list($cHashTC, $tHashTC) = $this->generateIn($hashesTC, "str");
|
|
// perform the query
|
|
return $articles = $this->db->prepare(
|
|
"SELECT id, edited, guid, url_title_hash, url_content_hash, title_content_hash FROM arsse_articles WHERE feed is ? and (guid in($cId) or url_title_hash in($cHashUT) or url_content_hash in($cHashUC) or title_content_hash in($cHashTC))",
|
|
'int', $tId, $tHashUT, $tHashUC, $tHashTC
|
|
)->run($feedID, $ids, $hashesUT, $hashesUC, $hashesTC);
|
|
}
|
|
|
|
protected function articleQuery(string $user, Context $context, array $extraColumns = []): Query {
|
|
$extraColumns = implode(",", $extraColumns);
|
|
if (strlen($extraColumns)) {
|
|
$extraColumns .= ",";
|
|
}
|
|
$q = new Query(
|
|
"SELECT
|
|
$extraColumns
|
|
arsse_articles.id as id,
|
|
arsse_articles.feed as feed,
|
|
arsse_articles.modified as modified_date,
|
|
max(
|
|
arsse_articles.modified,
|
|
coalesce((select modified from arsse_marks where article is arsse_articles.id and subscription in (select sub from subscribed_feeds)),''),
|
|
coalesce((select modified from arsse_label_members where article is arsse_articles.id and subscription in (select sub from subscribed_feeds)),'')
|
|
) as marked_date,
|
|
NOT (select count(*) from arsse_marks where article is arsse_articles.id and read is 1 and subscription in (select sub from subscribed_feeds)) as unread,
|
|
(select count(*) from arsse_marks where article is arsse_articles.id and starred is 1 and subscription in (select sub from subscribed_feeds)) as starred,
|
|
(select max(id) from arsse_editions where article is arsse_articles.id) as edition,
|
|
subscribed_feeds.sub as subscription
|
|
FROM arsse_articles"
|
|
);
|
|
$q->setLimit($context->limit, $context->offset);
|
|
$q->setCTE("user(user)", "SELECT ?", "str", $user);
|
|
if ($context->subscription()) {
|
|
// if a subscription is specified, make sure it exists
|
|
$id = $this->subscriptionValidateId($user, $context->subscription)['feed'];
|
|
// add a basic CTE that will join in only the requested subscription
|
|
$q->setCTE("subscribed_feeds(id,sub)", "SELECT ?,?", ["int","int"], [$id,$context->subscription], "join subscribed_feeds on feed is subscribed_feeds.id");
|
|
} elseif ($context->folder()) {
|
|
// if a folder is specified, make sure it exists
|
|
$this->folderValidateId($user, $context->folder);
|
|
// if it does exist, add a common table expression to list it and its children so that we select from the entire subtree
|
|
$q->setCTE("folders(folder)", "SELECT ? union select id from arsse_folders join folders on parent is folder", "int", $context->folder);
|
|
// add another CTE for the subscriptions within the folder
|
|
$q->setCTE("subscribed_feeds(id,sub)", "SELECT feed,id from arsse_subscriptions join user on user is owner join folders on arsse_subscriptions.folder is folders.folder", [], [], "join subscribed_feeds on feed is subscribed_feeds.id");
|
|
} elseif ($context->folderShallow()) {
|
|
// if a shallow folder is specified, make sure it exists
|
|
$this->folderValidateId($user, $context->folderShallow);
|
|
// if it does exist, add a CTE with only its subscriptions (and not those of its descendents)
|
|
$q->setCTE("subscribed_feeds(id,sub)", "SELECT feed,id from arsse_subscriptions join user on user is owner and coalesce(folder,0) is ?", "strict int", $context->folderShallow, "join subscribed_feeds on feed is subscribed_feeds.id");
|
|
} else {
|
|
// otherwise add a CTE for all the user's subscriptions
|
|
$q->setCTE("subscribed_feeds(id,sub)", "SELECT feed,id from arsse_subscriptions join user on user is owner", [], [], "join subscribed_feeds on feed is subscribed_feeds.id");
|
|
}
|
|
if ($context->edition()) {
|
|
// if an edition is specified, filter for its previously identified article
|
|
$q->setWhere("arsse_articles.id is (select article from arsse_editions where id is ?)", "int", $context->edition);
|
|
} elseif ($context->article()) {
|
|
// if an article is specified, filter for it (it has already been validated above)
|
|
$q->setWhere("arsse_articles.id is ?", "int", $context->article);
|
|
}
|
|
if ($context->editions()) {
|
|
// if multiple specific editions have been requested, prepare a CTE to list them and their articles
|
|
if (!$context->editions) {
|
|
throw new Db\ExceptionInput("tooShort", ['field' => "editions", 'action' => __FUNCTION__, 'min' => 1]); // must have at least one array element
|
|
} elseif (sizeof($context->editions) > self::LIMIT_ARTICLES) {
|
|
throw new Db\ExceptionInput("tooLong", ['field' => "editions", 'action' => __FUNCTION__, 'max' => self::LIMIT_ARTICLES]); // @codeCoverageIgnore
|
|
}
|
|
list($inParams, $inTypes) = $this->generateIn($context->editions, "int");
|
|
$q->setCTE("requested_articles(id,edition)",
|
|
"SELECT article,id as edition from arsse_editions where edition in ($inParams)",
|
|
$inTypes,
|
|
$context->editions
|
|
);
|
|
$q->setWhere("arsse_articles.id in (select id from requested_articles)");
|
|
} elseif ($context->articles()) {
|
|
// if multiple specific articles have been requested, prepare a CTE to list them and their articles
|
|
if (!$context->articles) {
|
|
throw new Db\ExceptionInput("tooShort", ['field' => "articles", 'action' => __FUNCTION__, 'min' => 1]); // must have at least one array element
|
|
} elseif (sizeof($context->articles) > self::LIMIT_ARTICLES) {
|
|
throw new Db\ExceptionInput("tooLong", ['field' => "articles", 'action' => __FUNCTION__, 'max' => self::LIMIT_ARTICLES]); // @codeCoverageIgnore
|
|
}
|
|
list($inParams, $inTypes) = $this->generateIn($context->articles, "int");
|
|
$q->setCTE("requested_articles(id,edition)",
|
|
"SELECT id,(select max(id) from arsse_editions where article is arsse_articles.id) as edition from arsse_articles where arsse_articles.id in ($inParams)",
|
|
$inTypes,
|
|
$context->articles
|
|
);
|
|
$q->setWhere("arsse_articles.id in (select id from requested_articles)");
|
|
} else {
|
|
// if neither list is specified, mock an empty table
|
|
$q->setCTE("requested_articles(id,edition)", "SELECT 'empty','table' where 1 is 0");
|
|
}
|
|
// filter based on label by ID or name
|
|
if ($context->labelled()) {
|
|
// any label (true) or no label (false)
|
|
$q->setWhere((!$context->labelled ? "not " : "")."exists(select article from arsse_label_members where assigned is 1 and article is arsse_articles.id and subscription in (select sub from subscribed_feeds))");
|
|
} elseif ($context->label() || $context->labelName()) {
|
|
// specific label ID or name
|
|
if ($context->label()) {
|
|
$id = $this->labelValidateId($user, $context->label, false)['id'];
|
|
} else {
|
|
$id = $this->labelValidateId($user, $context->labelName, true)['id'];
|
|
}
|
|
$q->setWhere("exists(select article from arsse_label_members where assigned is 1 and article is arsse_articles.id and label is ?)", "int", $id);
|
|
}
|
|
// filter based on article or edition offset
|
|
if ($context->oldestArticle()) {
|
|
$q->setWhere("arsse_articles.id >= ?", "int", $context->oldestArticle);
|
|
}
|
|
if ($context->latestArticle()) {
|
|
$q->setWhere("arsse_articles.id <= ?", "int", $context->latestArticle);
|
|
}
|
|
if ($context->oldestEdition()) {
|
|
$q->setWhere("edition >= ?", "int", $context->oldestEdition);
|
|
}
|
|
if ($context->latestEdition()) {
|
|
$q->setWhere("edition <= ?", "int", $context->latestEdition);
|
|
}
|
|
// filter based on time at which an article was changed by feed updates (modified), or by user action (marked)
|
|
if ($context->modifiedSince()) {
|
|
$q->setWhere("modified_date >= ?", "datetime", $context->modifiedSince);
|
|
}
|
|
if ($context->notModifiedSince()) {
|
|
$q->setWhere("modified_date <= ?", "datetime", $context->notModifiedSince);
|
|
}
|
|
if ($context->markedSince()) {
|
|
$q->setWhere("marked_date >= ?", "datetime", $context->markedSince);
|
|
}
|
|
if ($context->notMarkedSince()) {
|
|
$q->setWhere("marked_date <= ?", "datetime", $context->notMarkedSince);
|
|
}
|
|
// filter for un/read and un/starred status if specified
|
|
if ($context->unread()) {
|
|
$q->setWhere("unread is ?", "bool", $context->unread);
|
|
}
|
|
if ($context->starred()) {
|
|
$q->setWhere("starred is ?", "bool", $context->starred);
|
|
}
|
|
// filter based on whether the article has a note
|
|
if ($context->annotated()) {
|
|
$q->setWhere((!$context->annotated ? "not " : "")."exists(select modified from arsse_marks where article is arsse_articles.id and note <> '' and subscription in (select sub from subscribed_feeds))");
|
|
}
|
|
// return the query
|
|
return $q;
|
|
}
|
|
|
|
protected function articleChunk(Context $context): array {
|
|
$exception = "";
|
|
if ($context->editions()) {
|
|
// editions take precedence over articles
|
|
if (sizeof($context->editions) > self::LIMIT_ARTICLES) {
|
|
$exception = "editions";
|
|
}
|
|
} elseif ($context->articles()) {
|
|
if (sizeof($context->articles) > self::LIMIT_ARTICLES) {
|
|
$exception = "articles";
|
|
}
|
|
}
|
|
if ($exception) {
|
|
$out = [];
|
|
$list = array_chunk($context->$exception, self::LIMIT_ARTICLES);
|
|
foreach ($list as $chunk) {
|
|
$out[] = (clone $context)->$exception($chunk);
|
|
}
|
|
return $out;
|
|
} else {
|
|
return [];
|
|
}
|
|
}
|
|
|
|
public function articleList(string $user, Context $context = null, int $fields = self::LIST_FULL): Db\Result {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$context = $context ?? new Context;
|
|
// if the context has more articles or editions than we can process in one query, perform a series of queries and return an aggregate result
|
|
if ($contexts = $this->articleChunk($context)) {
|
|
$out = [];
|
|
$tr = $this->begin();
|
|
foreach ($contexts as $context) {
|
|
$out[] = $this->articleList($user, $context, $fields);
|
|
}
|
|
$tr->commit();
|
|
return new Db\ResultAggregate(...$out);
|
|
} else {
|
|
$columns = [];
|
|
switch ($fields) {
|
|
// NOTE: the cases all cascade into each other: a given verbosity level is always a superset of the previous one
|
|
case self::LIST_FULL: // everything
|
|
$columns = array_merge($columns,[
|
|
"(select note from arsse_marks where article is arsse_articles.id and subscription in (select sub from subscribed_feeds)) as note",
|
|
]);
|
|
case self::LIST_TYPICAL: // conservative, plus content
|
|
$columns = array_merge($columns,[
|
|
"content",
|
|
"arsse_enclosures.url as media_url", // enclosures are potentially large due to data: URLs
|
|
"arsse_enclosures.type as media_type", // FIXME: enclosures should eventually have their own fetch method
|
|
]);
|
|
case self::LIST_CONSERVATIVE: // base metadata, plus anything that is not likely to be large text
|
|
$columns = array_merge($columns,[
|
|
"arsse_articles.url as url",
|
|
"arsse_articles.title as title",
|
|
"(select coalesce(arsse_subscriptions.title,arsse_feeds.title) from arsse_feeds join arsse_subscriptions on arsse_subscriptions.feed is arsse_feeds.id where arsse_feeds.id is arsse_articles.feed) as subscription_title",
|
|
"author",
|
|
"guid",
|
|
"published as published_date",
|
|
"edited as edited_date",
|
|
"url_title_hash||':'||url_content_hash||':'||title_content_hash as fingerprint",
|
|
]);
|
|
case self::LIST_MINIMAL: // base metadata (always included: required for context matching)
|
|
$columns = array_merge($columns,[
|
|
// id, subscription, feed, modified_date, marked_date, unread, starred, edition
|
|
"edited as edited_date",
|
|
]);
|
|
break;
|
|
default:
|
|
throw new Exception("constantUnknown", $fields);
|
|
}
|
|
$q = $this->articleQuery($user, $context, $columns);
|
|
$q->setOrder("edited_date".($context->reverse ? " desc" : ""));
|
|
$q->setOrder("edition".($context->reverse ? " desc" : ""));
|
|
$q->setJoin("left join arsse_enclosures on arsse_enclosures.article is arsse_articles.id");
|
|
// perform the query and return results
|
|
return $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues());
|
|
}
|
|
}
|
|
|
|
public function articleCount(string $user, Context $context = null): int {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$context = $context ?? new Context;
|
|
// if the context has more articles or editions than we can process in one query, perform a series of queries and return an aggregate result
|
|
if ($contexts = $this->articleChunk($context)) {
|
|
$out = 0;
|
|
$tr = $this->begin();
|
|
foreach ($contexts as $context) {
|
|
$out += $this->articleCount($user, $context);
|
|
}
|
|
$tr->commit();
|
|
return $out;
|
|
} else {
|
|
$q = $this->articleQuery($user, $context);
|
|
$q->pushCTE("selected_articles");
|
|
$q->setBody("SELECT count(*) from selected_articles");
|
|
return $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues())->getValue();
|
|
}
|
|
}
|
|
|
|
public function articleMark(string $user, array $data, Context $context = null): int {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$context = $context ?? new Context;
|
|
// if the context has more articles or editions than we can process in one query, perform a series of queries and return an aggregate result
|
|
if ($contexts = $this->articleChunk($context)) {
|
|
$out = 0;
|
|
$tr = $this->begin();
|
|
foreach ($contexts as $context) {
|
|
$out += $this->articleMark($user, $data, $context);
|
|
}
|
|
$tr->commit();
|
|
return $out;
|
|
} else {
|
|
// sanitize input
|
|
$values = [
|
|
isset($data['read']) ? $data['read'] : null,
|
|
isset($data['starred']) ? $data['starred'] : null,
|
|
isset($data['note']) ? $data['note'] : null,
|
|
];
|
|
// the two queries we want to execute to make the requested changes
|
|
$queries = [
|
|
"UPDATE arsse_marks
|
|
set
|
|
read = case when (select honour_read from target_articles where target_articles.id is article) is 1 then (select read from target_values) else read end,
|
|
starred = coalesce((select starred from target_values),starred),
|
|
note = coalesce((select note from target_values),note),
|
|
modified = CURRENT_TIMESTAMP
|
|
WHERE
|
|
subscription in (select sub from subscribed_feeds)
|
|
and article in (select id from target_articles where to_insert is 0 and (honour_read is 1 or honour_star is 1 or (select note from target_values) is not null))",
|
|
"INSERT INTO arsse_marks(subscription,article,read,starred,note)
|
|
select
|
|
(select id from arsse_subscriptions join user on user is owner where arsse_subscriptions.feed is target_articles.feed),
|
|
id,
|
|
coalesce((select read from target_values) * honour_read,0),
|
|
coalesce((select starred from target_values),0),
|
|
coalesce((select note from target_values),'')
|
|
from target_articles where to_insert is 1 and (honour_read is 1 or honour_star is 1 or coalesce((select note from target_values),'') <> '')"
|
|
];
|
|
$out = 0;
|
|
// wrap this UPDATE and INSERT together into a transaction
|
|
$tr = $this->begin();
|
|
// if an edition context is specified, make sure it's valid
|
|
if ($context->edition()) {
|
|
// make sure the edition exists
|
|
$edition = $this->articleValidateEdition($user, $context->edition);
|
|
// if the edition is not the latest, do not mark the read flag
|
|
if (!$edition['current']) {
|
|
$values[0] = null;
|
|
}
|
|
} elseif ($context->article()) {
|
|
// otherwise if an article context is specified, make sure it's valid
|
|
$this->articleValidateId($user, $context->article);
|
|
}
|
|
// execute each query in sequence
|
|
foreach ($queries as $query) {
|
|
// first build the query which will select the target articles; we will later turn this into a CTE for the actual query that manipulates the articles
|
|
$q = $this->articleQuery($user, $context, [
|
|
"(not exists(select article from arsse_marks where article is arsse_articles.id and subscription in (select sub from subscribed_feeds))) as to_insert",
|
|
"((select read from target_values) is not null and (select read from target_values) is not (coalesce((select read from arsse_marks where article is arsse_articles.id and subscription in (select sub from subscribed_feeds)),0)) and (not exists(select * from requested_articles) or (select max(id) from arsse_editions where article is arsse_articles.id) in (select edition from requested_articles))) as honour_read",
|
|
"((select starred from target_values) is not null and (select starred from target_values) is not (coalesce((select starred from arsse_marks where article is arsse_articles.id and subscription in (select sub from subscribed_feeds)),0))) as honour_star",
|
|
]);
|
|
// common table expression with the values to set
|
|
$q->setCTE("target_values(read,starred,note)", "SELECT ?,?,?", ["bool","bool","str"], $values);
|
|
// push the current query onto the CTE stack and execute the query we're actually interested in
|
|
$q->pushCTE("target_articles");
|
|
$q->setBody($query);
|
|
$out += $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues())->changes();
|
|
}
|
|
// commit the transaction
|
|
$tr->commit();
|
|
return $out;
|
|
}
|
|
}
|
|
|
|
public function articleStarred(string $user): array {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
return $this->db->prepare(
|
|
"SELECT
|
|
count(*) as total,
|
|
coalesce(sum(not read),0) as unread,
|
|
coalesce(sum(read),0) as read
|
|
FROM (
|
|
select read from arsse_marks where starred is 1 and subscription in (select id from arsse_subscriptions where owner is ?)
|
|
)", "str"
|
|
)->run($user)->getRow();
|
|
}
|
|
|
|
public function articleLabelsGet(string $user, $id, bool $byName = false): array {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$id = $this->articleValidateId($user, $id)['article'];
|
|
$out = $this->db->prepare("SELECT id,name from arsse_labels where owner is ? and exists(select id from arsse_label_members where article is ? and label is arsse_labels.id and assigned is 1)", "str", "int")->run($user, $id)->getAll();
|
|
if (!$out) {
|
|
return $out;
|
|
} else {
|
|
// flatten the result to return just the label ID or name
|
|
return array_column($out, !$byName ? "id" : "name");
|
|
}
|
|
}
|
|
|
|
public function articleCategoriesGet(string $user, $id): array {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$id = $this->articleValidateId($user, $id)['article'];
|
|
$out = $this->db->prepare("SELECT name from arsse_categories where article is ? order by name", "int")->run($id)->getAll();
|
|
if (!$out) {
|
|
return $out;
|
|
} else {
|
|
// flatten the result
|
|
return array_column($out, "name");
|
|
}
|
|
}
|
|
|
|
public function articleCleanup(): bool {
|
|
$query = $this->db->prepare(
|
|
"WITH target_feed(id,subs) as (".
|
|
"SELECT
|
|
id, (select count(*) from arsse_subscriptions where feed is arsse_feeds.id) as subs
|
|
from arsse_feeds where id is ?".
|
|
"), excepted_articles(id,edition) as (".
|
|
"SELECT
|
|
arsse_articles.id, (select max(id) from arsse_editions where article is arsse_articles.id) as edition
|
|
from arsse_articles
|
|
join target_feed on arsse_articles.feed is target_feed.id
|
|
order by edition desc limit ?".
|
|
") ".
|
|
"DELETE from arsse_articles where
|
|
feed is (select max(id) from target_feed)
|
|
and id not in (select id from excepted_articles)
|
|
and (select count(*) from arsse_marks where article is arsse_articles.id and starred is 1) is 0
|
|
and (
|
|
coalesce((select max(modified) from arsse_marks where article is arsse_articles.id),modified) <= ?
|
|
or ((select max(subs) from target_feed) is (select count(*) from arsse_marks where article is arsse_articles.id and read is 1) and coalesce((select max(modified) from arsse_marks where article is arsse_articles.id),modified) <= ?)
|
|
)
|
|
", "int", "int", "datetime", "datetime"
|
|
);
|
|
$limitRead = null;
|
|
$limitUnread = null;
|
|
if (Arsse::$conf->purgeArticlesRead) {
|
|
$limitRead = Date::sub(Arsse::$conf->purgeArticlesRead);
|
|
}
|
|
if (Arsse::$conf->purgeArticlesUnread) {
|
|
$limitUnread = Date::sub(Arsse::$conf->purgeArticlesUnread);
|
|
}
|
|
$feeds = $this->db->query("SELECT id, size from arsse_feeds")->getAll();
|
|
foreach ($feeds as $feed) {
|
|
$query->run($feed['id'], $feed['size'], $limitUnread, $limitRead);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
protected function articleValidateId(string $user, $id): array {
|
|
if (!ValueInfo::id($id)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "article", 'type' => "int > 0"]); // @codeCoverageIgnore
|
|
}
|
|
$out = $this->db->prepare(
|
|
"SELECT
|
|
arsse_articles.id as article,
|
|
(select max(id) from arsse_editions where article is arsse_articles.id) as edition
|
|
FROM arsse_articles
|
|
join arsse_feeds on arsse_feeds.id is arsse_articles.feed
|
|
join arsse_subscriptions on arsse_subscriptions.feed is arsse_feeds.id
|
|
WHERE
|
|
arsse_articles.id is ? and arsse_subscriptions.owner is ?",
|
|
"int", "str"
|
|
)->run($id, $user)->getRow();
|
|
if (!$out) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => $this->caller(), "field" => "article", 'id' => $id]);
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
protected function articleValidateEdition(string $user, int $id): array {
|
|
if (!ValueInfo::id($id)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "edition", 'type' => "int > 0"]); // @codeCoverageIgnore
|
|
}
|
|
$out = $this->db->prepare(
|
|
"SELECT
|
|
arsse_editions.id as edition,
|
|
arsse_editions.article as article,
|
|
(arsse_editions.id is (select max(id) from arsse_editions where article is arsse_editions.article)) as current
|
|
FROM arsse_editions
|
|
join arsse_articles on arsse_editions.article is arsse_articles.id
|
|
join arsse_feeds on arsse_feeds.id is arsse_articles.feed
|
|
join arsse_subscriptions on arsse_subscriptions.feed is arsse_feeds.id
|
|
WHERE
|
|
edition is ? and arsse_subscriptions.owner is ?",
|
|
"int", "str"
|
|
)->run($id, $user)->getRow();
|
|
if (!$out) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => $this->caller(), "field" => "edition", 'id' => $id]);
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
public function editionLatest(string $user, Context $context = null): int {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$context = $context ?? new Context;
|
|
$q = new Query("SELECT max(arsse_editions.id) from arsse_editions left join arsse_articles on article is arsse_articles.id left join arsse_feeds on arsse_articles.feed is arsse_feeds.id");
|
|
if ($context->subscription()) {
|
|
// if a subscription is specified, make sure it exists
|
|
$id = $this->subscriptionValidateId($user, $context->subscription)['feed'];
|
|
// a simple WHERE clause is required here
|
|
$q->setWhere("arsse_feeds.id is ?", "int", $id);
|
|
} else {
|
|
$q->setCTE("user(user)", "SELECT ?", "str", $user);
|
|
$q->setCTE("feeds(feed)", "SELECT feed from arsse_subscriptions join user on user is owner", [], [], "join feeds on arsse_articles.feed is feeds.feed");
|
|
}
|
|
return (int) $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues())->getValue();
|
|
}
|
|
|
|
public function labelAdd(string $user, array $data): int {
|
|
// if the user isn't authorized to perform this action then throw an exception.
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
// validate the label name
|
|
$name = array_key_exists("name", $data) ? $data['name'] : "";
|
|
$this->labelValidateName($name, true);
|
|
// perform the insert
|
|
return $this->db->prepare("INSERT INTO arsse_labels(owner,name) values(?,?)", "str", "str")->run($user, $name)->lastId();
|
|
}
|
|
|
|
public function labelList(string $user, bool $includeEmpty = true): Db\Result {
|
|
// if the user isn't authorized to perform this action then throw an exception.
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
return $this->db->prepare(
|
|
"SELECT
|
|
id,name,
|
|
(select count(*) from arsse_label_members where label is id and assigned is 1) as articles,
|
|
(select count(*) from arsse_label_members
|
|
join arsse_marks on arsse_label_members.article is arsse_marks.article and arsse_label_members.subscription is arsse_marks.subscription
|
|
where label is id and assigned is 1 and read is 1
|
|
) as read
|
|
FROM arsse_labels where owner is ? and articles >= ? order by name
|
|
", "str", "int"
|
|
)->run($user, !$includeEmpty);
|
|
}
|
|
|
|
public function labelRemove(string $user, $id, bool $byName = false): bool {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$this->labelValidateId($user, $id, $byName, false);
|
|
$field = $byName ? "name" : "id";
|
|
$type = $byName ? "str" : "int";
|
|
$changes = $this->db->prepare("DELETE FROM arsse_labels where owner is ? and $field is ?", "str", $type)->run($user, $id)->changes();
|
|
if (!$changes) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "label", 'id' => $id]);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public function labelPropertiesGet(string $user, $id, bool $byName = false): array {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$this->labelValidateId($user, $id, $byName, false);
|
|
$field = $byName ? "name" : "id";
|
|
$type = $byName ? "str" : "int";
|
|
$out = $this->db->prepare(
|
|
"SELECT
|
|
id,name,
|
|
(select count(*) from arsse_label_members where label is id and assigned is 1) as articles,
|
|
(select count(*) from arsse_label_members
|
|
join arsse_marks on arsse_label_members.article is arsse_marks.article and arsse_label_members.subscription is arsse_marks.subscription
|
|
where label is id and assigned is 1 and read is 1
|
|
) as read
|
|
FROM arsse_labels where $field is ? and owner is ?
|
|
", $type, "str"
|
|
)->run($id, $user)->getRow();
|
|
if (!$out) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "label", 'id' => $id]);
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
public function labelPropertiesSet(string $user, $id, array $data, bool $byName = false): bool {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
$this->labelValidateId($user, $id, $byName, false);
|
|
if (isset($data['name'])) {
|
|
$this->labelValidateName($data['name']);
|
|
}
|
|
$field = $byName ? "name" : "id";
|
|
$type = $byName ? "str" : "int";
|
|
$valid = [
|
|
'name' => "str",
|
|
];
|
|
list($setClause, $setTypes, $setValues) = $this->generateSet($data, $valid);
|
|
if (!$setClause) {
|
|
// if no changes would actually be applied, just return
|
|
return false;
|
|
}
|
|
$out = (bool) $this->db->prepare("UPDATE arsse_labels set $setClause, modified = CURRENT_TIMESTAMP where owner is ? and $field is ?", $setTypes, "str", $type)->run($setValues, $user, $id)->changes();
|
|
if (!$out) {
|
|
throw new Db\ExceptionInput("subjectMissing", ["action" => __FUNCTION__, "field" => "label", 'id' => $id]);
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
public function labelArticlesGet(string $user, $id, bool $byName = false): array {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
// just do a syntactic check on the label ID
|
|
$this->labelValidateId($user, $id, $byName, false);
|
|
$field = !$byName ? "id" : "name";
|
|
$type = !$byName ? "int" : "str";
|
|
$out = $this->db->prepare("SELECT article from arsse_label_members join arsse_labels on label is id where assigned is 1 and $field is ? and owner is ?", $type, "str")->run($id, $user)->getAll();
|
|
if (!$out) {
|
|
// if no results were returned, do a full validation on the label ID
|
|
$this->labelValidateId($user, $id, $byName, true, true);
|
|
// if the validation passes, return the empty result
|
|
return $out;
|
|
} else {
|
|
// flatten the result to return just the article IDs in a simple array
|
|
return array_column($out, "article");
|
|
}
|
|
}
|
|
|
|
public function labelArticlesSet(string $user, $id, Context $context = null, bool $remove = false, bool $byName = false): int {
|
|
if (!Arsse::$user->authorize($user, __FUNCTION__)) {
|
|
throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
|
|
}
|
|
// validate the label ID, and get the numeric ID if matching by name
|
|
$id = $this->labelValidateId($user, $id, $byName, true)['id'];
|
|
$context = $context ?? new Context;
|
|
$out = 0;
|
|
// wrap this UPDATE and INSERT together into a transaction
|
|
$tr = $this->begin();
|
|
// first update any existing entries with the removal or re-addition of their association
|
|
$q = $this->articleQuery($user, $context);
|
|
$q->setWhere("exists(select article from arsse_label_members where label is ? and article is arsse_articles.id)", "int", $id);
|
|
$q->pushCTE("target_articles");
|
|
$q->setBody(
|
|
"UPDATE arsse_label_members set assigned = ?, modified = CURRENT_TIMESTAMP where label is ? and assigned is not ? and article in (select id from target_articles)",
|
|
["bool","int","bool"],
|
|
[!$remove, $id, !$remove]
|
|
);
|
|
$out += $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues())->changes();
|
|
// next, if we're not removing, add any new entries that need to be added
|
|
if (!$remove) {
|
|
$q = $this->articleQuery($user, $context);
|
|
$q->setWhere("not exists(select article from arsse_label_members where label is ? and article is arsse_articles.id)", "int", $id);
|
|
$q->pushCTE("target_articles");
|
|
$q->setBody(
|
|
"INSERT INTO
|
|
arsse_label_members(label,article,subscription)
|
|
SELECT
|
|
?,id,
|
|
(select id from arsse_subscriptions join user on user is owner where arsse_subscriptions.feed is target_articles.feed)
|
|
FROM target_articles",
|
|
"int", $id
|
|
);
|
|
$out += $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues())->changes();
|
|
}
|
|
// commit the transaction
|
|
$tr->commit();
|
|
return $out;
|
|
}
|
|
|
|
protected function labelValidateId(string $user, $id, bool $byName, bool $checkDb = true, bool $subject = false): array {
|
|
if (!$byName && !ValueInfo::id($id)) {
|
|
// if we're not referring to a label by name and the ID is invalid, throw an exception
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "label", 'type' => "int > 0"]);
|
|
} elseif ($byName && !(ValueInfo::str($id) & ValueInfo::VALID)) {
|
|
// otherwise if we are referring to a label by name but the ID is not a string, also throw an exception
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "label", 'type' => "string"]);
|
|
} elseif ($checkDb) {
|
|
$field = !$byName ? "id" : "name";
|
|
$type = !$byName ? "int" : "str";
|
|
$l = $this->db->prepare("SELECT id,name from arsse_labels where $field is ? and owner is ?", $type, "str")->run($id, $user)->getRow();
|
|
if (!$l) {
|
|
throw new Db\ExceptionInput($subject ? "subjectMissing" : "idMissing", ["action" => $this->caller(), "field" => "label", 'id' => $id]);
|
|
} else {
|
|
return $l;
|
|
}
|
|
}
|
|
return [
|
|
'id' => !$byName ? $id : null,
|
|
'name' => $byName ? $id : null,
|
|
];
|
|
}
|
|
|
|
protected function labelValidateName($name): bool {
|
|
$info = ValueInfo::str($name);
|
|
if ($info & (ValueInfo::NULL | ValueInfo::EMPTY)) {
|
|
throw new Db\ExceptionInput("missing", ["action" => $this->caller(), "field" => "name"]);
|
|
} elseif ($info & ValueInfo::WHITE) {
|
|
throw new Db\ExceptionInput("whitespace", ["action" => $this->caller(), "field" => "name"]);
|
|
} elseif (!($info & ValueInfo::VALID)) {
|
|
throw new Db\ExceptionInput("typeViolation", ["action" => $this->caller(), "field" => "name", 'type' => "string"]);
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|