mirror of
https://code.mensbeam.com/MensBeam/Arsse.git
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352 lines
No EOL
16 KiB
PHP
352 lines
No EOL
16 KiB
PHP
<?php
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declare(strict_types=1);
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namespace JKingWeb\NewsSync;
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use PasswordGenerator\Generator as PassGen;
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use PicoFeed\Reader\Reader;
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use PicoFeed\PicoFeedException;
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class Database {
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const SCHEMA_VERSION = 1;
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const FORMAT_TS = "Y-m-d h:i:s";
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const FORMAT_DATE = "Y-m-d";
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const FORMAT_TIME = "h:i:s";
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protected $data;
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public $db;
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private $driver;
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protected function cleanName(string $name): string {
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return (string) preg_filter("[^0-9a-zA-Z_\.]", "", $name);
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}
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public function __construct(RuntimeData $data) {
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$this->data = $data;
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$this->driver = $driver = $data->conf->dbDriver;
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$this->db = new $driver($data, INSTALL);
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$ver = $this->db->schemaVersion();
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if(!INSTALL && $ver < self::SCHEMA_VERSION) {
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$this->db->schemaUpdate(self::SCHEMA_VERSION);
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}
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}
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static public function listDrivers(): 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 schemaVersion(): int {
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return $this->db->schemaVersion();
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}
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public function schemaUpdate(): bool {
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if($this->db->schemaVersion() < self::SCHEMA_VERSION) return $this->db->schemaUpdate(self::SCHEMA_VERSION);
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return false;
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}
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public function settingGet(string $key) {
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$row = $this->db->prepare("SELECT value, type from newssync_settings where key = ?", "str")->run($key)->getRow();
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if(!$row) return null;
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switch($row['type']) {
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case "int": return (int) $row['value'];
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case "numeric": return (float) $row['value'];
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case "text": return $row['value'];
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case "json": return json_decode($row['value']);
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case "timestamp": return date_create_from_format("!".self::FORMAT_TS, $row['value'], new DateTimeZone("UTC"));
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case "date": return date_create_from_format("!".self::FORMAT_DATE, $row['value'], new DateTimeZone("UTC"));
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case "time": return date_create_from_format("!".self::FORMAT_TIME, $row['value'], new DateTimeZone("UTC"));
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case "bool": return (bool) $row['value'];
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case "null": return null;
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default: return $row['value'];
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}
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}
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public function settingSet(string $key, $in, string $type = null): bool {
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if(!$type) {
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switch(gettype($in)) {
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case "boolean": $type = "bool"; break;
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case "integer": $type = "int"; break;
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case "double": $type = "numeric"; break;
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case "string":
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case "array": $type = "json"; break;
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case "resource":
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case "unknown type":
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case "NULL": $type = "null"; break;
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case "object":
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if($in instanceof DateTimeInterface) {
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$type = "timestamp";
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} else {
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$type = "text";
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}
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break;
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default: $type = 'null'; break;
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}
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}
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$type = strtolower($type);
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switch($type) {
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case "integer":
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$type = "int";
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case "int":
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$value = $in;
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break;
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case "float":
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case "double":
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case "real":
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$type = "numeric";
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case "numeric":
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$value = $in;
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break;
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case "str":
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case "string":
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$type = "text";
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case "text":
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$value = $in;
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break;
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case "json":
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if(is_array($in) || is_object($in)) {
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$value = json_encode($in);
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} else {
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$value = $in;
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}
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break;
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case "datetime":
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$type = "timestamp";
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case "timestamp":
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if($in instanceof DateTimeInterface) {
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$value = gmdate(self::FORMAT_TS, $in->format("U"));
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} else if(is_numeric($in)) {
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$value = gmdate(self::FORMAT_TS, $in);
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} else {
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$value = gmdate(self::FORMAT_TS, gmstrftime($in));
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}
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break;
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case "date":
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if($in instanceof DateTimeInterface) {
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$value = gmdate(self::FORMAT_DATE, $in->format("U"));
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} else if(is_numeric($in)) {
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$value = gmdate(self::FORMAT_DATE, $in);
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} else {
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$value = gmdate(self::FORMAT_DATE, gmstrftime($in));
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}
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break;
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case "time":
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if($in instanceof DateTimeInterface) {
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$value = gmdate(self::FORMAT_TIME, $in->format("U"));
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} else if(is_numeric($in)) {
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$value = gmdate(self::FORMAT_TIME, $in);
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} else {
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$value = gmdate(self::FORMAT_TIME, gmstrftime($in));
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}
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break;
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case "boolean":
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case "bit":
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$type = "bool";
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case "bool":
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$value = (int) $in;
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break;
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case "null":
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$value = null;
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break;
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default:
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$type = "text";
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$value = $in;
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break;
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}
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return (bool) $this->db->prepare("REPLACE INTO newssync_settings(key,value,type) values(?,?,?)", "str", "str", "str")->run($key, $value, $type)->changes();
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}
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public function settingRemove(string $key): bool {
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$this->db->prepare("DELETE from newssync_settings where key is ?", "str")->run($key);
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return true;
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}
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public function userExists(string $user): bool {
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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return (bool) $this->db->prepare("SELECT count(*) from newssync_users where id is ?", "str")->run($user)->getValue();
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}
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public function userAdd(string $user, string $password = null): string {
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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if($this->userExists($user)) throw new User\Exception("alreadyExists", ["action" => __FUNCTION__, "user" => $user]);
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if($password===null) $password = (new PassGen)->length($this->data->conf->userTempPasswordLength)->get();
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$hash = "";
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if(strlen($password) > 0) $hash = password_hash($password, \PASSWORD_DEFAULT);
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$this->db->prepare("INSERT INTO newssync_users(id,password) values(?,?)", "str", "str")->runArray([$user,$hash]);
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return $password;
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}
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public function userRemove(string $user): bool {
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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if($this->db->prepare("DELETE from newssync_users where id is ?", "str")->run($user)->changes() < 1) throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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return true;
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}
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public function userList(string $domain = null): array {
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if($domain !== null) {
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if(!$this->data->user->authorize("@".$domain, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $domain]);
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$domain = str_replace(["\\","%","_"],["\\\\", "\\%", "\\_"], $domain);
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$domain = "%@".$domain;
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return $this->db->prepare("SELECT id from newssync_users where id like ?", "str")->run($domain)->getAll();
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} else {
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if(!$this->data->user->authorize("", __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => "global"]);
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return $this->db->prepare("SELECT id from newssync_users")->run()->getAll();
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}
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}
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public function userPasswordGet(string $user): string {
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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if(!$this->userExists($user)) throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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return (string) $this->db->prepare("SELECT password from newssync_users where id is ?", "str")->run($user)->getValue();
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}
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public function userPasswordSet(string $user, string $password = null): string {
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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if(!$this->userExists($user)) throw new User\Exception("doesNotExist", ["action" => __FUNCTION__, "user" => $user]);
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if($password===null) $password = (new PassGen)->length($this->data->conf->userTempPasswordLength)->get();
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$hash = "";
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if(strlen($password > 0)) $hash = password_hash($password, \PASSWORD_DEFAULT);
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$this->db->prepare("UPDATE newssync_users set password = ? where id is ?", "str", "str")->run($hash, $user);
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return $password;
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}
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public function userPropertiesGet(string $user): array {
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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$prop = $this->db->prepare("SELECT name,rights from newssync_users where id is ?", "str")->run($user)->getRow();
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if(!$prop) return [];
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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(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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$valid = [ // FIXME: add future properties
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"name" => "str",
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];
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if(!$this->userExists($user)) return [];
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$this->db->begin();
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foreach($valid as $prop => $type) {
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if(!array_key_exists($prop, $properties)) continue;
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$this->db->prepare("UPDATE newssync_users set $prop = ? where id is ?", $type, "str")->run($properties[$prop], $user);
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}
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$this->db->commit();
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return $this->userPropertiesGet($user);
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}
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public function userRightsGet(string $user): int {
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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return (int) $this->db->prepare("SELECT rights from newssync_users where id is ?", "str")->run($user)->getValue();
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}
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public function userRightsSet(string $user, int $rights): bool {
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if(!$this->data->user->authorize($user, __FUNCTION__, $rights)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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if(!$this->userExists($user)) return false;
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$this->db->prepare("UPDATE newssync_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 subscriptionAdd(string $user, string $url, string $fetchUser = "", string $fetchPassword = ""): int {
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// If the user isn't authorized to perform this action then throw an exception.
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if (!$this->data->user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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// If the user doesn't exist throw an exception.
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if (!$this->userExists($user)) {
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throw new User\Exception("doesNotExist", ["user" => $user, "action" => __FUNCTION__]);
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}
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$this->db->begin();
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// If the feed doesn't already exist in the database then add it to the database after determining its validity with PicoFeed.
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$qFeed = $this->db->prepare("SELECT id from newssync_feeds where url is ? and username is ? and password is ?", "str", "str", "str");
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$feed = $qFeed->run($url, $fetchUser, $fetchPassword)->getValue();
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if ($feed === null) {
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try {
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$reader = new Reader;
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$resource = $reader->download($url);
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$parser = $reader->getParser(
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$resource->getUrl(),
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$resource->getContent(),
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$resource->getEncoding()
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);
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$feed = $parser->execute();
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} catch (PicoFeedException $e) {
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// If there's any error while trying to download or parse the feed then return an exception.
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throw new Feed\Exception($url, $e);
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}
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$feedID = $this->db->prepare(
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"INSERT INTO newssync_feeds(url,title,favicon,source,updated,modified,etag,username,password) values(?,?,?,?,?,?,?,?,?)",
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"str", "str", "str", "str", "datetime", "datetime", "str", "str", "str"
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)->run(
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$url,
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$feed->title,
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// Grab the favicon for the Goodfeed; returns an empty string if it cannot find one.
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(new \PicoFeed\Reader\Favicon)->find($url),
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$feed->siteUrl,
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$feed->date,
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$resource->getLastModified(),
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$resource->getEtag(),
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$fetchUser,
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$fetchPassword
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)->lastId();
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// TODO: Populate newssync_articles with contents of what was obtained from PicoFeed.
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}
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// Add the feed to the user's subscriptions.
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$sub = $this->db->prepare("INSERT INTO newssync_subscriptions(owner,feed) values(?,?)", "str", "int")->run($user, $feedID)->lastId();
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$this->db->commit();
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return $sub;
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}
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public function subscriptionRemove(int $id): bool {
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$this->db->begin();
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$user = $this->db->prepare("SELECT owner from newssync_subscriptions where id is ?", "int")->run($id)->getValue();
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if($user===null) return false;
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if(!$this->data->user->authorize($user, __FUNCTION__)) throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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return (bool) $this->db->prepare("DELETE from newssync_subscriptions where id is ?", "int")->run($id)->changes();
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}
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public function folderAdd(string $user, array $data): int {
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// If the user isn't authorized to perform this action then throw an exception.
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if (!$this->data->user->authorize($user, __FUNCTION__)) {
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throw new User\ExceptionAuthz("notAuthorized", ["action" => __FUNCTION__, "user" => $user]);
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}
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// If the user doesn't exist throw an exception.
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if (!$this->userExists($user)) {
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throw new User\Exception("doesNotExist", ["user" => $user, "action" => __FUNCTION__]);
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}
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// if the desired folder name is missing or invalid, throw an exception
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if(!array_key_exists("name", $data)) {
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throw new Db\ExceptionInput("missing", ["action" => __FUNCTION__, "field" => "name"]);
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} else if(!strlen(trim($data['name']))) {
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throw new Db\ExceptionInput("whitespace", ["action" => __FUNCTION__, "field" => "name"]);
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} else if(iconv_strlen($data['name']) > 100) {
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throw new Db\ExceptionInput("tooLong", ["action" => __FUNCTION__, "field" => "name", 'max' => 100]);
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}
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// normalize folder's parent, if there is one
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$parent = array_key_exists("parent", $data) ? (int) $data['parent'] : 0;
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if($parent===0) {
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// if no parent is specified, do nothing
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$parent = null;
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$root = null;
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} else {
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// if a parent is specified, make sure it exists and belongs to the user; get its root (first-level) folder if it's a nested folder
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$p = $this->db->prepare("SELECT id,root from newssync_folders where owner is ? and id is ?", "str", "int")->run($user, $parent)->getRow();
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if($p===null) {
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throw new Db\ExceptionInput("idMissing", ["action" => __FUNCTION__, "field" => "parent", 'id' => $parent]);
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} else {
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// if the parent does not have a root specified (because it is a first-level folder) use the parent ID as the root ID
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$root = $p['root']===null ? $parent : $p['root'];
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}
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}
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}
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} |