Passed
Push — master ( 7f7158...8d1ed5 )
by Armando
02:55
created

Request::ensureNonEmptyData()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 6

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 2
c 1
b 0
f 0
nc 2
nop 1
dl 0
loc 4
ccs 0
cts 3
cp 0
crap 6
rs 10
1
<?php
2
/**
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 * This file is part of the TelegramBot package.
4
 *
5
 * (c) Avtandil Kikabidze aka LONGMAN <[email protected]>
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 *
7
 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
9
 */
10
11
namespace Longman\TelegramBot;
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13
use GuzzleHttp\Client;
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use GuzzleHttp\Exception\RequestException;
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use GuzzleHttp\Psr7\Stream;
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use Longman\TelegramBot\Entities\File;
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use Longman\TelegramBot\Entities\InputMedia\InputMedia;
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use Longman\TelegramBot\Entities\ServerResponse;
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use Longman\TelegramBot\Exception\InvalidBotTokenException;
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use Longman\TelegramBot\Exception\TelegramException;
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/**
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 * Class Request
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 *
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 * @method static ServerResponse getUpdates(array $data)              Use this method to receive incoming updates using long polling (wiki). An Array of Update objects is returned.
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 * @method static ServerResponse setWebhook(array $data)              Use this method to specify a url and receive incoming updates via an outgoing webhook. Whenever there is an update for the bot, we will send an HTTPS POST request to the specified url, containing a JSON-serialized Update. In case of an unsuccessful request, we will give up after a reasonable amount of attempts. Returns true.
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 * @method static ServerResponse deleteWebhook()                      Use this method to remove webhook integration if you decide to switch back to getUpdates. Returns True on success. Requires no parameters.
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 * @method static ServerResponse getWebhookInfo()                     Use this method to get current webhook status. Requires no parameters. On success, returns a WebhookInfo object. If the bot is using getUpdates, will return an object with the url field empty.
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 * @method static ServerResponse getMe()                              A simple method for testing your bot's auth token. Requires no parameters. Returns basic information about the bot in form of a User object.
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 * @method static ServerResponse forwardMessage(array $data)          Use this method to forward messages of any kind. On success, the sent Message is returned.
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 * @method static ServerResponse sendPhoto(array $data)               Use this method to send photos. On success, the sent Message is returned.
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 * @method static ServerResponse sendAudio(array $data)               Use this method to send audio files, if you want Telegram clients to display them in the music player. Your audio must be in the .mp3 format. On success, the sent Message is returned. Bots can currently send audio files of up to 50 MB in size, this limit may be changed in the future.
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 * @method static ServerResponse sendDocument(array $data)            Use this method to send general files. On success, the sent Message is returned. Bots can currently send files of any type of up to 50 MB in size, this limit may be changed in the future.
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 * @method static ServerResponse sendSticker(array $data)             Use this method to send .webp stickers. On success, the sent Message is returned.
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 * @method static ServerResponse sendVideo(array $data)               Use this method to send video files, Telegram clients support mp4 videos (other formats may be sent as Document). On success, the sent Message is returned. Bots can currently send video files of up to 50 MB in size, this limit may be changed in the future.
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 * @method static ServerResponse sendAnimation(array $data)           Use this method to send animation files (GIF or H.264/MPEG-4 AVC video without sound). On success, the sent Message is returned. Bots can currently send animation files of up to 50 MB in size, this limit may be changed in the future.
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 * @method static ServerResponse sendVoice(array $data)               Use this method to send audio files, if you want Telegram clients to display the file as a playable voice message. For this to work, your audio must be in an .ogg file encoded with OPUS (other formats may be sent as Audio or Document). On success, the sent Message is returned. Bots can currently send voice messages of up to 50 MB in size, this limit may be changed in the future.
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 * @method static ServerResponse sendVideoNote(array $data)           Use this method to send video messages. On success, the sent Message is returned.
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 * @method static ServerResponse sendMediaGroup(array $data)          Use this method to send a group of photos or videos as an album. On success, an array of the sent Messages is returned.
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 * @method static ServerResponse sendLocation(array $data)            Use this method to send point on the map. On success, the sent Message is returned.
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 * @method static ServerResponse editMessageLiveLocation(array $data) Use this method to edit live location messages sent by the bot or via the bot (for inline bots). A location can be edited until its live_period expires or editing is explicitly disabled by a call to stopMessageLiveLocation. On success, if the edited message was sent by the bot, the edited Message is returned, otherwise True is returned.
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 * @method static ServerResponse stopMessageLiveLocation(array $data) Use this method to stop updating a live location message sent by the bot or via the bot (for inline bots) before live_period expires. On success, if the message was sent by the bot, the sent Message is returned, otherwise True is returned.
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 * @method static ServerResponse sendVenue(array $data)               Use this method to send information about a venue. On success, the sent Message is returned.
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 * @method static ServerResponse sendContact(array $data)             Use this method to send phone contacts. On success, the sent Message is returned.
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 * @method static ServerResponse sendPoll(array $data)                Use this method to send a native poll. A native poll can't be sent to a private chat. On success, the sent Message is returned.
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 * @method static ServerResponse sendChatAction(array $data)          Use this method when you need to tell the user that something is happening on the bot's side. The status is set for 5 seconds or less (when a message arrives from your bot, Telegram clients clear its typing status). Returns True on success.
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 * @method static ServerResponse getUserProfilePhotos(array $data)    Use this method to get a list of profile pictures for a user. Returns a UserProfilePhotos object.
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 * @method static ServerResponse getFile(array $data)                 Use this method to get basic info about a file and prepare it for downloading. For the moment, bots can download files of up to 20MB in size. On success, a File object is returned. The file can then be downloaded via the link https://api.telegram.org/file/bot<token>/<file_path>, where <file_path> is taken from the response. It is guaranteed that the link will be valid for at least 1 hour. When the link expires, a new one can be requested by calling getFile again.
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 * @method static ServerResponse kickChatMember(array $data)          Use this method to kick a user from a group, a supergroup or a channel. In the case of supergroups and channels, the user will not be able to return to the group on their own using invite links, etc., unless unbanned first. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
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 * @method static ServerResponse unbanChatMember(array $data)         Use this method to unban a previously kicked user in a supergroup or channel. The user will not return to the group or channel automatically, but will be able to join via link, etc. The bot must be an administrator for this to work. Returns True on success.
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 * @method static ServerResponse restrictChatMember(array $data)      Use this method to restrict a user in a supergroup. The bot must be an administrator in the supergroup for this to work and must have the appropriate admin rights. Pass True for all boolean parameters to lift restrictions from a user. Returns True on success.
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 * @method static ServerResponse promoteChatMember(array $data)       Use this method to promote or demote a user in a supergroup or a channel. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Pass False for all boolean parameters to demote a user. Returns True on success.
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 * @method static ServerResponse exportChatInviteLink(array $data)    Use this method to export an invite link to a supergroup or a channel. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns exported invite link as String on success.
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 * @method static ServerResponse setChatPhoto(array $data)            Use this method to set a new profile photo for the chat. Photos can't be changed for private chats. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
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 * @method static ServerResponse deleteChatPhoto(array $data)         Use this method to delete a chat photo. Photos can't be changed for private chats. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
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 * @method static ServerResponse setChatTitle(array $data)            Use this method to change the title of a chat. Titles can't be changed for private chats. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
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 * @method static ServerResponse setChatDescription(array $data)      Use this method to change the description of a supergroup or a channel. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
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 * @method static ServerResponse pinChatMessage(array $data)          Use this method to pin a message in a supergroup or a channel. The bot must be an administrator in the chat for this to work and must have the ‘can_pin_messages’ admin right in the supergroup or ‘can_edit_messages’ admin right in the channel. Returns True on success.
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 * @method static ServerResponse unpinChatMessage(array $data)        Use this method to unpin a message in a supergroup or a channel. The bot must be an administrator in the chat for this to work and must have the ‘can_pin_messages’ admin right in the supergroup or ‘can_edit_messages’ admin right in the channel. Returns True on success.
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 * @method static ServerResponse leaveChat(array $data)               Use this method for your bot to leave a group, supergroup or channel. Returns True on success.
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 * @method static ServerResponse getChat(array $data)                 Use this method to get up to date information about the chat (current name of the user for one-on-one conversations, current username of a user, group or channel, etc.). Returns a Chat object on success.
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 * @method static ServerResponse getChatAdministrators(array $data)   Use this method to get a list of administrators in a chat. On success, returns an Array of ChatMember objects that contains information about all chat administrators except other bots. If the chat is a group or a supergroup and no administrators were appointed, only the creator will be returned.
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 * @method static ServerResponse getChatMembersCount(array $data)     Use this method to get the number of members in a chat. Returns Int on success.
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 * @method static ServerResponse getChatMember(array $data)           Use this method to get information about a member of a chat. Returns a ChatMember object on success.
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 * @method static ServerResponse setChatStickerSet(array $data)       Use this method to set a new group sticker set for a supergroup. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Use the field can_set_sticker_set optionally returned in getChat requests to check if the bot can use this method. Returns True on success.
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 * @method static ServerResponse deleteChatStickerSet(array $data)    Use this method to delete a group sticker set from a supergroup. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Use the field can_set_sticker_set optionally returned in getChat requests to check if the bot can use this method. Returns True on success.
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 * @method static ServerResponse answerCallbackQuery(array $data)     Use this method to send answers to callback queries sent from inline keyboards. The answer will be displayed to the user as a notification at the top of the chat screen or as an alert. On success, True is returned.
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 * @method static ServerResponse answerInlineQuery(array $data)       Use this method to send answers to an inline query. On success, True is returned.
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 * @method static ServerResponse editMessageText(array $data)         Use this method to edit text and game messages sent by the bot or via the bot (for inline bots). On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.
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 * @method static ServerResponse editMessageCaption(array $data)      Use this method to edit captions of messages sent by the bot or via the bot (for inline bots). On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.
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 * @method static ServerResponse editMessageMedia(array $data)        Use this method to edit audio, document, photo, or video messages. On success, if the edited message was sent by the bot, the edited Message is returned, otherwise True is returned.
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 * @method static ServerResponse editMessageReplyMarkup(array $data)  Use this method to edit only the reply markup of messages sent by the bot or via the bot (for inline bots). On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.
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 * @method static ServerResponse stopPoll(array $data)                Use this method to stop a poll which was sent by the bot. On success, the stopped Poll with the final results is returned.
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 * @method static ServerResponse deleteMessage(array $data)           Use this method to delete a message, including service messages, with certain limitations. Returns True on success.
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 * @method static ServerResponse getStickerSet(array $data)           Use this method to get a sticker set. On success, a StickerSet object is returned.
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 * @method static ServerResponse uploadStickerFile(array $data)       Use this method to upload a .png file with a sticker for later use in createNewStickerSet and addStickerToSet methods (can be used multiple times). Returns the uploaded File on success.
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 * @method static ServerResponse createNewStickerSet(array $data)     Use this method to create new sticker set owned by a user. The bot will be able to edit the created sticker set. Returns True on success.
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 * @method static ServerResponse addStickerToSet(array $data)         Use this method to add a new sticker to a set created by the bot. Returns True on success.
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 * @method static ServerResponse setStickerPositionInSet(array $data) Use this method to move a sticker in a set created by the bot to a specific position. Returns True on success.
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 * @method static ServerResponse deleteStickerFromSet(array $data)    Use this method to delete a sticker from a set created by the bot. Returns True on success.
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 * @method static ServerResponse sendInvoice(array $data)             Use this method to send invoices. On success, the sent Message is returned.
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 * @method static ServerResponse answerShippingQuery(array $data)     If you sent an invoice requesting a shipping address and the parameter is_flexible was specified, the Bot API will send an Update with a shipping_query field to the bot. Use this method to reply to shipping queries. On success, True is returned.
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 * @method static ServerResponse answerPreCheckoutQuery(array $data)  Once the user has confirmed their payment and shipping details, the Bot API sends the final confirmation in the form of an Update with the field pre_checkout_query. Use this method to respond to such pre-checkout queries. On success, True is returned.
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 * @method static ServerResponse setPassportDataErrors(array $data)   Informs a user that some of the Telegram Passport elements they provided contains errors. The user will not be able to re-submit their Passport to you until the errors are fixed (the contents of the field for which you returned the error must change). Returns True on success. Use this if the data submitted by the user doesn't satisfy the standards your service requires for any reason. For example, if a birthday date seems invalid, a submitted document is blurry, a scan shows evidence of tampering, etc. Supply some details in the error message to make sure the user knows how to correct the issues.
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 * @method static ServerResponse sendGame(array $data)                Use this method to send a game. On success, the sent Message is returned.
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 * @method static ServerResponse setGameScore(array $data)            Use this method to set the score of the specified user in a game. On success, if the message was sent by the bot, returns the edited Message, otherwise returns True. Returns an error, if the new score is not greater than the user's current score in the chat and force is False.
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 * @method static ServerResponse getGameHighScores(array $data)       Use this method to get data for high score tables. Will return the score of the specified user and several of his neighbors in a game. On success, returns an Array of GameHighScore objects.
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 */
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class Request
90
{
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    /**
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     * Telegram object
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     *
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     * @var Telegram
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     */
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    private static $telegram;
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    /**
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     * URI of the Telegram API
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     *
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     * @var string
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     */
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    private static $api_base_uri = 'https://api.telegram.org';
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    /**
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     * Guzzle Client object
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     *
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     * @var Client
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     */
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    private static $client;
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    /**
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     * Input value of the request
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     *
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     * @var string
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     */
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    private static $input;
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    /**
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     * Request limiter
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     *
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     * @var boolean
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     */
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    private static $limiter_enabled;
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    /**
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     * Request limiter's interval between checks
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     *
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     * @var float
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     */
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    private static $limiter_interval;
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    /**
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     * Get the current action that is being executed
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     *
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     * @var string
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     */
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    private static $current_action;
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    /**
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     * Available actions to send
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     *
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     * This is basically the list of all methods listed on the official API documentation.
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     *
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     * @link https://core.telegram.org/bots/api
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     *
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     * @var array
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     */
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    private static $actions = [
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        'getUpdates',
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        'setWebhook',
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        'deleteWebhook',
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        'getWebhookInfo',
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        'getMe',
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        'sendMessage',
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        'forwardMessage',
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        'sendPhoto',
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        'sendAudio',
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        'sendDocument',
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        'sendSticker',
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        'sendVideo',
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        'sendAnimation',
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        'sendVoice',
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        'sendVideoNote',
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        'sendMediaGroup',
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        'sendLocation',
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        'editMessageLiveLocation',
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        'stopMessageLiveLocation',
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        'sendVenue',
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        'sendContact',
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        'sendPoll',
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        'sendChatAction',
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        'getUserProfilePhotos',
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        'getFile',
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        'kickChatMember',
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        'unbanChatMember',
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        'restrictChatMember',
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        'promoteChatMember',
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        'exportChatInviteLink',
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        'setChatPhoto',
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        'deleteChatPhoto',
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        'setChatTitle',
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        'setChatDescription',
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        'pinChatMessage',
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        'unpinChatMessage',
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        'leaveChat',
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        'getChat',
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        'getChatAdministrators',
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        'getChatMembersCount',
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        'getChatMember',
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        'setChatStickerSet',
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        'deleteChatStickerSet',
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        'answerCallbackQuery',
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        'answerInlineQuery',
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        'editMessageText',
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        'editMessageCaption',
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        'editMessageMedia',
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        'editMessageReplyMarkup',
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        'stopPoll',
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        'deleteMessage',
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        'getStickerSet',
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        'uploadStickerFile',
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        'createNewStickerSet',
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        'addStickerToSet',
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        'setStickerPositionInSet',
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        'deleteStickerFromSet',
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        'sendInvoice',
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        'answerShippingQuery',
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        'answerPreCheckoutQuery',
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        'setPassportDataErrors',
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        'sendGame',
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        'setGameScore',
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        'getGameHighScores',
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    ];
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    /**
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     * Some methods need a dummy param due to certain cURL issues.
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     *
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     * @see Request::addDummyParamIfNecessary()
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     *
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     * @var array
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     */
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    private static $actions_need_dummy_param = [
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        'deleteWebhook',
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        'getWebhookInfo',
226
        'getMe',
227
    ];
228
229
    /**
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     * Available fields for InputFile helper
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     *
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     * This is basically the list of all fields that allow InputFile objects
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     * for which input can be simplified by providing local path directly  as string.
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     *
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     * @var array
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     */
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    private static $input_file_fields = [
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        'setWebhook'          => ['certificate'],
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        'sendPhoto'           => ['photo'],
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        'sendAudio'           => ['audio', 'thumb'],
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        'sendDocument'        => ['document', 'thumb'],
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        'sendVideo'           => ['video', 'thumb'],
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        'sendAnimation'       => ['animation', 'thumb'],
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        'sendVoice'           => ['voice', 'thumb'],
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        'sendVideoNote'       => ['video_note', 'thumb'],
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        'setChatPhoto'        => ['photo'],
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        'sendSticker'         => ['sticker'],
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        'uploadStickerFile'   => ['png_sticker'],
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        'createNewStickerSet' => ['png_sticker'],
250
        'addStickerToSet'     => ['png_sticker'],
251
    ];
252
253
    /**
254
     * Initialize
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     *
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     * @param Telegram $telegram
257
     *
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     * @throws TelegramException
259
     */
260 30
    public static function initialize(Telegram $telegram)
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    {
262 30
        if (!($telegram instanceof Telegram)) {
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263
            throw new TelegramException('Invalid Telegram pointer!');
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        }
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266 30
        self::$telegram = $telegram;
267 30
        self::setClient(new Client(['base_uri' => self::$api_base_uri]));
268 30
    }
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270
    /**
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     * Set a custom Guzzle HTTP Client object
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     *
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     * @param Client $client
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     *
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     * @throws TelegramException
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     */
277 30
    public static function setClient(Client $client)
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    {
279 30
        if (!($client instanceof Client)) {
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            throw new TelegramException('Invalid GuzzleHttp\Client pointer!');
281
        }
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283 30
        self::$client = $client;
284 30
    }
285
286
    /**
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     * Set input from custom input or stdin and return it
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     *
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     * @return string
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     * @throws TelegramException
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     */
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    public static function getInput()
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    {
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        // First check if a custom input has been set, else get the PHP input.
295
        if (!($input = self::$telegram->getCustomInput())) {
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            $input = file_get_contents('php://input');
297
        }
298
299
        // Make sure we have a string to work with.
300
        if (!is_string($input)) {
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301
            throw new TelegramException('Input must be a string!');
302
        }
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304
        self::$input = $input;
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306
        TelegramLog::update(self::$input);
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308
        return self::$input;
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    }
310
311
    /**
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     * Generate general fake server response
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     *
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     * @param array $data Data to add to fake response
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     *
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     * @return array Fake response data
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     */
318 1
    public static function generateGeneralFakeServerResponse(array $data = [])
319
    {
320
        //PARAM BINDED IN PHPUNIT TEST FOR TestServerResponse.php
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        //Maybe this is not the best possible implementation
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        //No value set in $data ie testing setWebhook
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        //Provided $data['chat_id'] ie testing sendMessage
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326 1
        $fake_response = ['ok' => true]; // :)
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328 1
        if ($data === []) {
329 1
            $fake_response['result'] = true;
330
        }
331
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        //some data to let iniatilize the class method SendMessage
333 1
        if (isset($data['chat_id'])) {
334 1
            $data['message_id'] = '1234';
335 1
            $data['date']       = '1441378360';
336 1
            $data['from']       = [
337
                'id'         => 123456789,
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                'first_name' => 'botname',
339
                'username'   => 'namebot',
340
            ];
341 1
            $data['chat']       = ['id' => $data['chat_id']];
342
343 1
            $fake_response['result'] = $data;
344
        }
345
346 1
        return $fake_response;
347
    }
348
349
    /**
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     * Properly set up the request params
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     *
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     * If any item of the array is a resource, reformat it to a multipart request.
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     * Else, just return the passed data as form params.
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     *
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     * @param array $data
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     *
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     * @return array
358
     * @throws TelegramException
359
     */
360
    private static function setUpRequestParams(array $data)
361
    {
362
        $has_resource = false;
363
        $multipart    = [];
364
365
        foreach ($data as $key => &$item) {
366
            if ($key === 'media') {
367
                // Magical media input helper.
368
                $item = self::mediaInputHelper($item, $has_resource, $multipart);
369
            } elseif (array_key_exists(self::$current_action, self::$input_file_fields) && in_array($key, self::$input_file_fields[self::$current_action], true)) {
370
                // Allow absolute paths to local files.
371
                if (is_string($item) && file_exists($item)) {
372
                    $item = new Stream(self::encodeFile($item));
373
                }
374
            } elseif (is_array($item)) {
375
                // Convert any nested arrays into JSON strings.
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                $item = json_encode($item);
377
            }
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            // Reformat data array in multipart way if it contains a resource
380
            $has_resource = $has_resource || is_resource($item) || $item instanceof Stream;
381
            $multipart[]  = ['name' => $key, 'contents' => $item];
382
        }
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384
        if ($has_resource) {
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            return ['multipart' => $multipart];
386
        }
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        return ['form_params' => $data];
389
    }
390
391
    /**
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     * Magical input media helper to simplify passing media.
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     *
394
     * This allows the following:
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     * Request::editMessageMedia([
396
     *     ...
397
     *     'media' => new InputMediaPhoto([
398
     *         'caption' => 'Caption!',
399
     *         'media'   => Request::encodeFile($local_photo),
400
     *     ]),
401
     * ]);
402
     * and
403
     * Request::sendMediaGroup([
404
     *     'media'   => [
405
     *         new InputMediaPhoto(['media' => Request::encodeFile($local_photo_1)]),
406
     *         new InputMediaPhoto(['media' => Request::encodeFile($local_photo_2)]),
407
     *         new InputMediaVideo(['media' => Request::encodeFile($local_video_1)]),
408
     *     ],
409
     * ]);
410
     * and even
411
     * Request::sendMediaGroup([
412
     *     'media'   => [
413
     *         new InputMediaPhoto(['media' => $local_photo_1]),
414
     *         new InputMediaPhoto(['media' => $local_photo_2]),
415
     *         new InputMediaVideo(['media' => $local_video_1]),
416
     *     ],
417
     * ]);
418
     *
419
     * @param mixed $item
420
     * @param bool  $has_resource
421
     * @param array $multipart
422
     *
423
     * @return mixed
424
     * @throws TelegramException
425
     */
426
    private static function mediaInputHelper($item, &$has_resource, array &$multipart)
427
    {
428
        $was_array = is_array($item);
429
        $was_array || $item = [$item];
430
431
        foreach ($item as $media_item) {
432
            if (!($media_item instanceof InputMedia)) {
433
                continue;
434
            }
435
436
            $media = $media_item->getMedia();
437
438
            // Allow absolute paths to local files.
439
            if (is_string($media) && file_exists($media)) {
440
                $media = new Stream(self::encodeFile($media));
441
            }
442
443
            if (is_resource($media) || $media instanceof Stream) {
444
                $has_resource = true;
445
                $rnd_key      = uniqid('media_', false);
446
                $multipart[]  = ['name' => $rnd_key, 'contents' => $media];
447
448
                // We're literally overwriting the passed media data!
449
                $media_item->media             = 'attach://' . $rnd_key;
450
                $media_item->raw_data['media'] = 'attach://' . $rnd_key;
451
            }
452
        }
453
454
        $was_array || $item = reset($item);
455
456
        return json_encode($item);
457
    }
458
459
    /**
460
     * Get the current action that's being executed
461
     *
462
     * @return string
463
     */
464 7
    public static function getCurrentAction()
465
    {
466 7
        return self::$current_action;
467
    }
468
469
    /**
470
     * Execute HTTP Request
471
     *
472
     * @param string $action Action to execute
473
     * @param array  $data   Data to attach to the execution
474
     *
475
     * @return string Result of the HTTP Request
476
     * @throws TelegramException
477
     */
478
    public static function execute($action, array $data = [])
479
    {
480
        //Fix so that the keyboard markup is a string, not an object
481
        if (isset($data['reply_markup'])) {
482
            $data['reply_markup'] = json_encode($data['reply_markup']);
483
        }
484
485
        $result                  = null;
486
        $request_params          = self::setUpRequestParams($data);
487
        $request_params['debug'] = TelegramLog::getDebugLogTempStream();
488
489
        try {
490
            $response = self::$client->post(
491
                '/bot' . self::$telegram->getApiKey() . '/' . $action,
492
                $request_params
493
            );
494
            $result   = (string) $response->getBody();
495
496
            //Logging getUpdates Update
497
            if ($action === 'getUpdates') {
498
                TelegramLog::update($result);
499
            }
500
        } catch (RequestException $e) {
501
            $result = $e->getResponse() ? (string) $e->getResponse()->getBody() : '';
502
        } finally {
503
            //Logging verbose debug output
504
            TelegramLog::endDebugLogTempStream('Verbose HTTP Request output:' . PHP_EOL . '%s' . PHP_EOL);
505
        }
506
507
        return $result;
508
    }
509
510
    /**
511
     * Download file
512
     *
513
     * @param File $file
514
     *
515
     * @return boolean
516
     * @throws TelegramException
517
     */
518
    public static function downloadFile(File $file)
519
    {
520
        if (empty($download_path = self::$telegram->getDownloadPath())) {
521
            throw new TelegramException('Download path not set!');
522
        }
523
524
        $tg_file_path = $file->getFilePath();
525
        $file_path    = $download_path . '/' . $tg_file_path;
526
527
        $file_dir = dirname($file_path);
528
        //For safety reasons, first try to create the directory, then check that it exists.
529
        //This is in case some other process has created the folder in the meantime.
530
        if (!@mkdir($file_dir, 0755, true) && !is_dir($file_dir)) {
531
            throw new TelegramException('Directory ' . $file_dir . ' can\'t be created');
532
        }
533
534
        $debug_handle = TelegramLog::getDebugLogTempStream();
535
536
        try {
537
            self::$client->get(
538
                '/file/bot' . self::$telegram->getApiKey() . '/' . $tg_file_path,
539
                ['debug' => $debug_handle, 'sink' => $file_path]
540
            );
541
542
            return filesize($file_path) > 0;
543
        } catch (RequestException $e) {
544
            return false;
545
        } finally {
546
            //Logging verbose debug output
547
            TelegramLog::endDebugLogTempStream('Verbose HTTP File Download Request output:' . PHP_EOL . '%s' . PHP_EOL);
548
        }
549
    }
550
551
    /**
552
     * Encode file
553
     *
554
     * @param string $file
555
     *
556
     * @return resource
557
     * @throws TelegramException
558
     */
559
    public static function encodeFile($file)
560
    {
561
        $fp = fopen($file, 'rb');
562
        if ($fp === false) {
563
            throw new TelegramException('Cannot open "' . $file . '" for reading');
564
        }
565
566
        return $fp;
567
    }
568
569
    /**
570
     * Send command
571
     *
572
     * @todo Fake response doesn't need json encoding?
573
     * @todo Write debug entry on failure
574
     *
575
     * @param string $action
576
     * @param array  $data
577
     *
578
     * @return ServerResponse
579
     * @throws TelegramException
580
     */
581
    public static function send($action, array $data = [])
582
    {
583
        self::ensureValidAction($action);
584
        self::addDummyParamIfNecessary($action, $data);
585
586
        $bot_username = self::$telegram->getBotUsername();
587
588
        if (defined('PHPUNIT_TESTSUITE')) {
589
            $fake_response = self::generateGeneralFakeServerResponse($data);
590
591
            return new ServerResponse($fake_response, $bot_username);
592
        }
593
594
        self::ensureNonEmptyData($data);
595
596
        self::limitTelegramRequests($action, $data);
597
598
        // Remember which action is currently being executed.
599
        self::$current_action = $action;
600
601
        $raw_response = self::execute($action, $data);
602
        $response     = json_decode($raw_response, true);
603
604
        if (null === $response) {
605
            TelegramLog::debug($raw_response);
606
            throw new TelegramException('Telegram returned an invalid response!');
607
        }
608
609
        $response = new ServerResponse($response, $bot_username);
610
611
        if (!$response->isOk() && $response->getErrorCode() === 401 && $response->getDescription() === 'Unauthorized') {
612
            throw new InvalidBotTokenException();
613
        }
614
615
        // Reset current action after completion.
616
        self::$current_action = null;
617
618
        return $response;
619
    }
620
621
    /**
622
     * Add a dummy parameter if the passed action requires it.
623
     *
624
     * If a method doesn't require parameters, we need to add a dummy one anyway,
625
     * because of some cURL version failed POST request without parameters.
626
     *
627
     * @link https://github.com/php-telegram-bot/core/pull/228
628
     *
629
     * @todo Would be nice to find a better solution for this!
630
     *
631
     * @param string $action
632
     * @param array  $data
633
     */
634
    protected static function addDummyParamIfNecessary($action, array &$data)
635
    {
636
        if (in_array($action, self::$actions_need_dummy_param, true)) {
637
            // Can be anything, using a single letter to minimise request size.
638
            $data = ['d'];
639
        }
640
    }
641
642
    /**
643
     * Make sure the data isn't empty, else throw an exception
644
     *
645
     * @param array $data
646
     *
647
     * @throws TelegramException
648
     */
649
    private static function ensureNonEmptyData(array $data)
650
    {
651
        if (count($data) === 0) {
652
            throw new TelegramException('Data is empty!');
653
        }
654
    }
655
656
    /**
657
     * Make sure the action is valid, else throw an exception
658
     *
659
     * @param string $action
660
     *
661
     * @throws TelegramException
662
     */
663
    private static function ensureValidAction($action)
664
    {
665
        if (!in_array($action, self::$actions, true)) {
666
            throw new TelegramException('The action "' . $action . '" doesn\'t exist!');
667
        }
668
    }
669
670
    /**
671
     * Use this method to send text messages. On success, the sent Message is returned
672
     *
673
     * @link https://core.telegram.org/bots/api#sendmessage
674
     *
675
     * @param array $data
676
     *
677
     * @return ServerResponse
678
     * @throws TelegramException
679
     */
680
    public static function sendMessage(array $data)
681
    {
682
        $text = $data['text'];
683
684
        do {
685
            //Chop off and send the first message
686
            $data['text'] = mb_substr($text, 0, 4096);
687
            $response     = self::send('sendMessage', $data);
688
689
            //Prepare the next message
690
            $text = mb_substr($text, 4096);
691
        } while (mb_strlen($text, 'UTF-8') > 0);
692
693
        return $response;
694
    }
695
696
    /**
697
     * Any statically called method should be relayed to the `send` method.
698
     *
699
     * @param string $action
700
     * @param array  $data
701
     *
702
     * @return ServerResponse
703
     */
704
    public static function __callStatic($action, array $data)
705
    {
706
        // Make sure to add the action being called as the first parameter to be passed.
707
        array_unshift($data, $action);
708
709
        // @todo Use splat operator for unpacking when we move to PHP 5.6+
710
        return call_user_func_array('static::send', $data);
711
    }
712
713
    /**
714
     * Return an empty Server Response
715
     *
716
     * No request to telegram are sent, this function is used in commands that
717
     * don't need to fire a message after execution
718
     *
719
     * @return ServerResponse
720
     */
721
    public static function emptyResponse()
722
    {
723
        return new ServerResponse(['ok' => true, 'result' => true], null);
724
    }
725
726
    /**
727
     * Send message to all active chats
728
     *
729
     * @param string $callback_function
730
     * @param array  $data
731
     * @param array  $select_chats_params
732
     *
733
     * @return array
734
     * @throws TelegramException
735
     */
736
    public static function sendToActiveChats(
737
        $callback_function,
738
        array $data,
739
        array $select_chats_params
740
    ) {
741
        self::ensureValidAction($callback_function);
742
743
        $chats = DB::selectChats($select_chats_params);
744
745
        $results = [];
746
        if (is_array($chats)) {
747
            foreach ($chats as $row) {
748
                $data['chat_id'] = $row['chat_id'];
749
                $results[]       = self::send($callback_function, $data);
750
            }
751
        }
752
753
        return $results;
754
    }
755
756
    /**
757
     * Enable request limiter
758
     *
759
     * @param boolean $enable
760
     * @param array   $options
761
     *
762
     * @throws TelegramException
763
     */
764
    public static function setLimiter($enable = true, array $options = [])
765
    {
766
        if (DB::isDbConnected()) {
767
            $options_default = [
768
                'interval' => 1,
769
            ];
770
771
            $options = array_merge($options_default, $options);
772
773
            if (!is_numeric($options['interval']) || $options['interval'] <= 0) {
774
                throw new TelegramException('Interval must be a number and must be greater than zero!');
775
            }
776
777
            self::$limiter_interval = $options['interval'];
778
            self::$limiter_enabled  = $enable;
779
        }
780
    }
781
782
    /**
783
     * This functions delays API requests to prevent reaching Telegram API limits
784
     *  Can be disabled while in execution by 'Request::setLimiter(false)'
785
     *
786
     * @link https://core.telegram.org/bots/faq#my-bot-is-hitting-limits-how-do-i-avoid-this
787
     *
788
     * @param string $action
789
     * @param array  $data
790
     *
791
     * @throws TelegramException
792
     */
793
    private static function limitTelegramRequests($action, array $data = [])
794
    {
795
        if (self::$limiter_enabled) {
796
            $limited_methods = [
797
                'sendMessage',
798
                'forwardMessage',
799
                'sendPhoto',
800
                'sendAudio',
801
                'sendDocument',
802
                'sendSticker',
803
                'sendVideo',
804
                'sendAnimation',
805
                'sendVoice',
806
                'sendVideoNote',
807
                'sendMediaGroup',
808
                'sendLocation',
809
                'editMessageLiveLocation',
810
                'stopMessageLiveLocation',
811
                'sendVenue',
812
                'sendContact',
813
                'sendPoll',
814
                'sendInvoice',
815
                'sendGame',
816
                'setGameScore',
817
                'editMessageText',
818
                'editMessageCaption',
819
                'editMessageMedia',
820
                'editMessageReplyMarkup',
821
                'stopPoll',
822
                'setChatTitle',
823
                'setChatDescription',
824
                'setChatStickerSet',
825
                'deleteChatStickerSet',
826
                'setPassportDataErrors',
827
            ];
828
829
            $chat_id           = isset($data['chat_id']) ? $data['chat_id'] : null;
830
            $inline_message_id = isset($data['inline_message_id']) ? $data['inline_message_id'] : null;
831
832
            if (($chat_id || $inline_message_id) && in_array($action, $limited_methods, true)) {
833
                $timeout = 60;
834
835
                while (true) {
836
                    if ($timeout <= 0) {
837
                        throw new TelegramException('Timed out while waiting for a request spot!');
838
                    }
839
840
                    if (!($requests = DB::getTelegramRequestCount($chat_id, $inline_message_id))) {
841
                        break;
842
                    }
843
844
                    // Make sure we're handling integers here.
845
                    $requests = array_map('intval', $requests);
846
847
                    $chat_per_second   = ($requests['LIMIT_PER_SEC'] === 0);    // No more than one message per second inside a particular chat
848
                    $global_per_second = ($requests['LIMIT_PER_SEC_ALL'] < 30); // No more than 30 messages per second to different chats
849
                    $groups_per_minute = (((is_numeric($chat_id) && $chat_id > 0) || $inline_message_id !== null) || ((!is_numeric($chat_id) || $chat_id < 0) && $requests['LIMIT_PER_MINUTE'] < 20));    // No more than 20 messages per minute in groups and channels
850
851
                    if ($chat_per_second && $global_per_second && $groups_per_minute) {
852
                        break;
853
                    }
854
855
                    $timeout--;
856
                    usleep((int) (self::$limiter_interval * 1000000));
857
                }
858
859
                DB::insertTelegramRequest($action, $data);
860
            }
861
        }
862
    }
863
}
864