191 lines
8.0 KiB
PHP
191 lines
8.0 KiB
PHP
<?php
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include_once 'api/model.php';
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try
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{
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//------------------------------------------------------------------
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') api_return(400, ['success' => false, 'error' => ERR::REQ_METHOD, 'errhighlight' => -1, 'message' => 'Invalid request method (must be POST)']);
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$INPUT = array_merge($_GET, $_POST);
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if (!isset($INPUT['user_id'])) api_return(400, ['success' => false, 'error' => ERR::MISSING_UID, 'errhighlight' => 101, 'message' => 'Missing parameter [[user_id]]']);
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if (!isset($INPUT['user_key'])) api_return(400, ['success' => false, 'error' => ERR::MISSING_TOK, 'errhighlight' => 102, 'message' => 'Missing parameter [[user_token]]']);
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if (!isset($INPUT['title'])) api_return(400, ['success' => false, 'error' => ERR::MISSING_TITLE, 'errhighlight' => 103, 'message' => 'Missing parameter [[title]]']);
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//------------------------------------------------------------------
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$user_id = $INPUT['user_id'];
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$user_key = $INPUT['user_key'];
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$message = $INPUT['title'];
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$content = isset($INPUT['content']) ? $INPUT['content'] : '';
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$priority = isset($INPUT['priority']) ? $INPUT['priority'] : '1';
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$usrmsgid = isset($INPUT['msg_id']) ? $INPUT['msg_id'] : null;
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$time = isset($INPUT['timestamp']) ? $INPUT['timestamp'] : time();
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//------------------------------------------------------------------
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if (abs($time - time()) > 60*60*24*2) api_return(400, ['success' => false, 'error' => ERR::TIMESTAMP_OUT_OF_RANGE, 'errhighlight' => -1, 'message' => 'The timestamp mus be within 24 hours of now()']);
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if ($priority !== '0' && $priority !== '1' && $priority !== '2') api_return(400, ['success' => false, 'error' => ERR::INVALID_PRIO, 'errhighlight' => 105, 'message' => 'Invalid priority']);
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if (strlen(trim($message)) == 0) api_return(400, ['success' => false, 'error' => ERR::NO_TITLE, 'errhighlight' => 103, 'message' => 'No title specified']);
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if ($usrmsgid != null && strlen($usrmsgid) > 64) api_return(400, ['success' => false, 'error' => ERR::USR_MSG_ID_TOO_LONG, 'errhighlight' => -1, 'message' => 'MessageID too long (64 characters)']);
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//------------------------------------------------------------------
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$pdo = getDatabase();
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$stmt = $pdo->prepare('SELECT user_id, user_key, fcm_token, messages_sent, quota_today, is_pro, quota_day FROM users WHERE user_id = :uid LIMIT 1');
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$stmt->execute(['uid' => $user_id]);
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$datas = $stmt->fetchAll(PDO::FETCH_ASSOC);
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if (count($datas)<=0) api_return(401, ['success' => false, 'error' => ERR::USER_NOT_FOUND, 'errhighlight' => 101, 'message' => 'User not found']);
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$data = $datas[0];
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if ($data === null) api_return(401, ['success' => false, 'error' => ERR::USER_NOT_FOUND, 'errhighlight' => 101, 'message' => 'User not found']);
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if ($data['user_id'] !== (int)$user_id) api_return(401, ['success' => false, 'error' => ERR::USER_NOT_FOUND, 'errhighlight' => 101, 'message' => 'UserID not found']);
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if ($data['user_key'] !== $user_key) api_return(401, ['success' => false, 'error' => ERR::USER_AUTH_FAILED, 'errhighlight' => 102, 'message' => 'Authentification failed']);
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//------------------------------------------------------------------
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if (strlen($message) > 120) api_return(400, ['success' => false, 'error' => ERR::TITLE_TOO_LONG, 'errhighlight' => 103, 'message' => 'Title too long (120 characters)']);
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if (strlen($content) > Statics::contentlen_max($data['is_pro'])) api_return(400, ['success' => false, 'error' => ERR::CONTENT_TOO_LONG, 'errhighlight' => 104, 'message' => 'Content too long ('.strlen($content).' characters; max := '.Statics::contentlen_max($data['is_pro']).' characters)']);
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//------------------------------------------------------------------
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$fcm = $data['fcm_token'];
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$new_quota = $data['quota_today'] + 1;
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if ($data['quota_day'] === null || $data['quota_day'] !== date("Y-m-d")) $new_quota=1;
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if ($new_quota > Statics::quota_max($data['is_pro'])) api_return(403, ['success' => false, 'error' => ERR::QUOTA_REACHED, 'errhighlight' => -1, 'message' => 'Daily quota reached ('.Statics::quota_max($data['is_pro']).')']);
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if ($fcm == null || $fcm == '' || $fcm == false)
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{
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api_return(412, ['success' => false, 'error' => ERR::NO_DEVICE_LINKED, 'errhighlight' => -1, 'message' => 'No device linked with this account']);
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}
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//------------------------------------------------------------------
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if ($usrmsgid != null)
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{
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$stmt = $pdo->prepare('SELECT scn_message_id FROM messages WHERE sender_user_id=:uid AND usr_message_id IS NOT NULL AND usr_message_id=:umid LIMIT 1');
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$stmt->execute(['uid' => $user_id, 'umid' => $usrmsgid]);
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if (count($stmt->fetchAll(PDO::FETCH_ASSOC))>0)
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{
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api_return(200,
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[
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'success' => true,
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'message' => 'Message already sent',
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'suppress_send' => true,
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'response' => '',
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'messagecount' => $data['messages_sent']+1,
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'quota' => $data['quota_today'],
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'is_pro' => $data['is_pro'],
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'quota_max' => Statics::quota_max($data['is_pro']),
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]);
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}
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}
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//------------------------------------------------------------------
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$pdo->beginTransaction();
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$stmt = $pdo->prepare('INSERT INTO messages (sender_user_id, title, content, priority, sendtime, fcm_message_id, usr_message_id) VALUES (:suid, :t, :c, :p, :ts, :fmid, :umid)');
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$stmt->execute(
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[
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'suid' => $user_id,
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't' => $message,
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'c' => $content,
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'p' => $priority,
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'ts' => $time,
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'fmid' => null,
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'umid' => $usrmsgid,
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]);
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$scn_msg_id = $pdo->lastInsertId();
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$url = "https://fcm.googleapis.com/fcm/send";
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$payload = json_encode(
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[
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'to' => $fcm,
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//'dry_run' => true,
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'android' => [ 'priority' => 'high' ],
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//'notification' =>
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//[
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// 'title' => $message,
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// 'body' => $content,
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//],
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'data' =>
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[
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'title' => $message,
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'body' => str_limit($content, 1900),
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'trimmed' => (strlen($content) > 1900),
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'priority' => $priority,
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'timestamp' => $time,
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'usr_msg_id' => $usrmsgid,
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'scn_msg_id' => $scn_msg_id,
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]
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]);
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$header=
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[
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'Authorization' => 'key=' . getConfig()['firebase']['server_key'],
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'Content-Type' => 'application/json',
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];
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try
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{
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$httpresult = sendPOST($url, $payload, $header);
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if (try_json($httpresult, ['success']) != 1)
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{
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reportError("FCM communication failed (success_1 <> true)\n\n".$httpresult);
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$pdo->rollBack();
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api_return(500, ['success' => false, 'error' => ERR::FIREBASE_COM_ERRORED, 'errhighlight' => -1, 'message' => 'Communication with firebase service failed.']);
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}
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}
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catch (Exception $e)
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{
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reportError("FCM communication failed", $e);
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$pdo->rollBack();
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api_return(500, ['success' => false, 'error' => ERR::FIREBASE_COM_FAILED, 'errhighlight' => -1, 'message' => 'Communication with firebase service failed.'."\n\n".'Exception: ' . $e->getMessage()]);
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}
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//------------------------------------------------------------------
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$stmt = $pdo->prepare('UPDATE users SET timestamp_accessed=NOW(), messages_sent=messages_sent+1, quota_today=:q, quota_day=NOW() WHERE user_id = :uid');
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$stmt->execute(['uid' => $user_id, 'q' => $new_quota]);
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$stmt = $pdo->prepare('UPDATE messages SET fcm_message_id=:fmid WHERE scn_message_id=:smid');
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$stmt->execute([ 'fmid' => try_json($httpresult, ['results', 0, 'message_id']), 'smid' => $scn_msg_id ]);
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$pdo->commit();
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//------------------------------------------------------------------
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api_return(200,
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[
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'success' => true,
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'error' => ERR::NO_ERROR,
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'errhighlight' => -1,
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'message' => 'Message sent',
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'suppress_send' => false,
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'response' => $httpresult,
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'messagecount' => $data['messages_sent']+1,
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'quota' => $new_quota,
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'is_pro' => $data['is_pro'],
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'quota_max' => Statics::quota_max($data['is_pro']),
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'scn_msg_id' => $scn_msg_id,
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]);
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}
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catch (Exception $mex)
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{
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reportError("Root try-catch triggered", $mex);
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if ($pdo->inTransaction()) $pdo->rollBack();
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api_return(500, ['success' => false, 'error' => ERR::INTERNAL_EXCEPTION, 'errhighlight' => -1, 'message' => 'PHP script threw exception.'."\n\n".'Exception: ' . $e->getMessage()]);
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}
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