Passed
Pull Request — develop (#1059)
by Armando
02:09
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
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/**
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 * This file is part of the TelegramBot package.
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 *
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 * (c) Avtandil Kikabidze aka LONGMAN <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Longman\TelegramBot;
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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 permissions 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 setChatAdministratorCustomTitle(array $data) Use this method to set a custom title for an administrator in a supergroup promoted by the bot. Returns True on success.
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 * @method static ServerResponse setChatPermissions(array $data)              Use this method to set default chat permissions for all members. The bot must be an administrator in the group or a supergroup for this to work and must have the can_restrict_members admin rights. Returns True on success.
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 * @method static ServerResponse exportChatInviteLink(array $data)            Use this method to generate a new invite link for a chat; any previously generated link is revoked. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns the new 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 group, 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
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{
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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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        'setChatAdministratorCustomTitle',
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        'setChatPermissions',
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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',
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        'getMe',
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    ];
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    /**
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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'],
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        'addStickerToSet'     => ['png_sticker'],
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    ];
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    /**
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     * Initialize
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     *
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     * @param Telegram $telegram
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     *
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     * @throws TelegramException
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     */
265 29
    public static function initialize(Telegram $telegram)
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    {
267 29
        if (!($telegram instanceof Telegram)) {
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            throw new TelegramException('Invalid Telegram pointer!');
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        }
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271 29
        self::$telegram = $telegram;
272 29
        self::setClient(self::$client ?: new Client(['base_uri' => self::$api_base_uri]));
273 29
    }
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    /**
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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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     */
282 29
    public static function setClient(Client $client)
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    {
284 29
        if (!($client instanceof Client)) {
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            throw new TelegramException('Invalid GuzzleHttp\Client pointer!');
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        }
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        self::$client = $client;
289 29
    }
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    /**
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     * Set input from custom input or stdin and return it
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     *
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     * @return string
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     * @throws TelegramException
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     */
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    public static function getInput()
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    {
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        // First check if a custom input has been set, else get the PHP input.
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        if (!($input = self::$telegram->getCustomInput())) {
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            $input = file_get_contents('php://input');
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        }
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        // Make sure we have a string to work with.
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        if (!is_string($input)) {
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            throw new TelegramException('Input must be a string!');
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        }
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        self::$input = $input;
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        TelegramLog::update(self::$input);
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        return self::$input;
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    }
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    /**
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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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     */
323 1
    public static function generateGeneralFakeServerResponse(array $data = [])
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    {
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        //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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331 1
        $fake_response = ['ok' => true]; // :)
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333 1
        if ($data === []) {
334 1
            $fake_response['result'] = true;
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        }
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        //some data to let iniatilize the class method SendMessage
338 1
        if (isset($data['chat_id'])) {
339 1
            $data['message_id'] = '1234';
340 1
            $data['date']       = '1441378360';
341 1
            $data['from']       = [
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                'id'         => 123456789,
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                'first_name' => 'botname',
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                'username'   => 'namebot',
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            ];
346 1
            $data['chat']       = ['id' => $data['chat_id']];
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348 1
            $fake_response['result'] = $data;
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        }
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351 1
        return $fake_response;
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    }
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    /**
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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
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     * @throws TelegramException
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     */
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    private static function setUpRequestParams(array $data)
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    {
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        $has_resource = false;
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        $multipart    = [];
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        foreach ($data as $key => &$item) {
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            if ($key === 'media') {
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                // Magical media input helper.
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                $item = self::mediaInputHelper($item, $has_resource, $multipart);
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            } elseif (array_key_exists(self::$current_action, self::$input_file_fields) && in_array($key, self::$input_file_fields[self::$current_action], true)) {
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                // Allow absolute paths to local files.
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                if (is_string($item) && file_exists($item)) {
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                    $item = new Stream(self::encodeFile($item));
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                }
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            } elseif (is_array($item) || is_object($item)) {
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                // Convert any nested arrays or objects into JSON strings.
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                $item = json_encode($item);
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            }
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            // Reformat data array in multipart way if it contains a resource
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            $has_resource = $has_resource || is_resource($item) || $item instanceof Stream;
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            $multipart[]  = ['name' => $key, 'contents' => $item];
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        }
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        unset($item);
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        if ($has_resource) {
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            return ['multipart' => $multipart];
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        }
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394
        return ['form_params' => $data];
395
    }
396
397
    /**
398
     * Magical input media helper to simplify passing media.
399
     *
400
     * This allows the following:
401
     * Request::editMessageMedia([
402
     *     ...
403
     *     'media' => new InputMediaPhoto([
404
     *         'caption' => 'Caption!',
405
     *         'media'   => Request::encodeFile($local_photo),
406
     *     ]),
407
     * ]);
408
     * and
409
     * Request::sendMediaGroup([
410
     *     'media'   => [
411
     *         new InputMediaPhoto(['media' => Request::encodeFile($local_photo_1)]),
412
     *         new InputMediaPhoto(['media' => Request::encodeFile($local_photo_2)]),
413
     *         new InputMediaVideo(['media' => Request::encodeFile($local_video_1)]),
414
     *     ],
415
     * ]);
416
     * and even
417
     * Request::sendMediaGroup([
418
     *     'media'   => [
419
     *         new InputMediaPhoto(['media' => $local_photo_1]),
420
     *         new InputMediaPhoto(['media' => $local_photo_2]),
421
     *         new InputMediaVideo(['media' => $local_video_1]),
422
     *     ],
423
     * ]);
424
     *
425
     * @param mixed $item
426
     * @param bool  $has_resource
427
     * @param array $multipart
428
     *
429
     * @return mixed
430
     * @throws TelegramException
431
     */
432
    private static function mediaInputHelper($item, &$has_resource, array &$multipart)
433
    {
434
        $was_array = is_array($item);
435
        $was_array || $item = [$item];
436
437
        foreach ($item as $media_item) {
438
            if (!($media_item instanceof InputMedia)) {
439
                continue;
440
            }
441
442
            // Make a list of all possible media that can be handled by the helper.
443
            $possible_medias = array_filter([
444
                'media' => $media_item->getMedia(),
0 ignored issues
show
Bug introduced by
The method getMedia() does not exist on Longman\TelegramBot\Entities\InputMedia\InputMedia. Since it exists in all sub-types, consider adding an abstract or default implementation to Longman\TelegramBot\Entities\InputMedia\InputMedia. ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-call  annotation

444
                'media' => $media_item->/** @scrutinizer ignore-call */ getMedia(),
Loading history...
445
                'thumb' => $media_item->getThumb(),
0 ignored issues
show
Bug introduced by
The method getThumb() does not exist on Longman\TelegramBot\Entities\InputMedia\InputMedia. Since it exists in all sub-types, consider adding an abstract or default implementation to Longman\TelegramBot\Entities\InputMedia\InputMedia. ( Ignorable by Annotation )

If this is a false-positive, you can also ignore this issue in your code via the ignore-call  annotation

445
                'thumb' => $media_item->/** @scrutinizer ignore-call */ getThumb(),
Loading history...
446
            ]);
447
448
            foreach ($possible_medias as $type => $media) {
449
                // Allow absolute paths to local files.
450
                if (is_string($media) && file_exists($media)) {
451
                    $media = new Stream(self::encodeFile($media));
452
                }
453
454
                if (is_resource($media) || $media instanceof Stream) {
455
                    $has_resource = true;
456
                    $unique_key   = uniqid($type . '_', false);
457
                    $multipart[]  = ['name' => $unique_key, 'contents' => $media];
458
459
                    // We're literally overwriting the passed media type data!
460
                    $media_item->$type           = 'attach://' . $unique_key;
461
                    $media_item->raw_data[$type] = 'attach://' . $unique_key;
462
                }
463
            }
464
        }
465
466
        $was_array || $item = reset($item);
467
468
        return json_encode($item);
469
    }
470
471
    /**
472
     * Get the current action that's being executed
473
     *
474
     * @return string
475
     */
476 7
    public static function getCurrentAction()
477
    {
478 7
        return self::$current_action;
479
    }
480
481
    /**
482
     * Execute HTTP Request
483
     *
484
     * @param string $action Action to execute
485
     * @param array  $data   Data to attach to the execution
486
     *
487
     * @return string Result of the HTTP Request
488
     * @throws TelegramException
489
     */
490
    public static function execute($action, array $data = [])
491
    {
492
        $result                  = null;
493
        $request_params          = self::setUpRequestParams($data);
494
        $request_params['debug'] = TelegramLog::getDebugLogTempStream();
495
496
        try {
497
            $response = self::$client->post(
498
                '/bot' . self::$telegram->getApiKey() . '/' . $action,
499
                $request_params
500
            );
501
            $result   = (string) $response->getBody();
502
503
            //Logging getUpdates Update
504
            if ($action === 'getUpdates') {
505
                TelegramLog::update($result);
506
            }
507
        } catch (RequestException $e) {
508
            $result = $e->getResponse() ? (string) $e->getResponse()->getBody() : '';
509
        } finally {
510
            //Logging verbose debug output
511
            TelegramLog::endDebugLogTempStream('Verbose HTTP Request output:' . PHP_EOL . '%s' . PHP_EOL);
512
        }
513
514
        return $result;
515
    }
516
517
    /**
518
     * Download file
519
     *
520
     * @param File $file
521
     *
522
     * @return boolean
523
     * @throws TelegramException
524
     */
525
    public static function downloadFile(File $file)
526
    {
527
        if (empty($download_path = self::$telegram->getDownloadPath())) {
528
            throw new TelegramException('Download path not set!');
529
        }
530
531
        $tg_file_path = $file->getFilePath();
532
        $file_path    = $download_path . '/' . $tg_file_path;
533
534
        $file_dir = dirname($file_path);
535
        //For safety reasons, first try to create the directory, then check that it exists.
536
        //This is in case some other process has created the folder in the meantime.
537
        if (!@mkdir($file_dir, 0755, true) && !is_dir($file_dir)) {
538
            throw new TelegramException('Directory ' . $file_dir . ' can\'t be created');
539
        }
540
541
        $debug_handle = TelegramLog::getDebugLogTempStream();
542
543
        try {
544
            self::$client->get(
545
                '/file/bot' . self::$telegram->getApiKey() . '/' . $tg_file_path,
546
                ['debug' => $debug_handle, 'sink' => $file_path]
547
            );
548
549
            return filesize($file_path) > 0;
550
        } catch (RequestException $e) {
551
            return false;
552
        } finally {
553
            //Logging verbose debug output
554
            TelegramLog::endDebugLogTempStream('Verbose HTTP File Download Request output:' . PHP_EOL . '%s' . PHP_EOL);
555
        }
556
    }
557
558
    /**
559
     * Encode file
560
     *
561
     * @param string $file
562
     *
563
     * @return resource
564
     * @throws TelegramException
565
     */
566
    public static function encodeFile($file)
567
    {
568
        $fp = fopen($file, 'rb');
569
        if ($fp === false) {
570
            throw new TelegramException('Cannot open "' . $file . '" for reading');
571
        }
572
573
        return $fp;
574
    }
575
576
    /**
577
     * Send command
578
     *
579
     * @todo Fake response doesn't need json encoding?
580
     * @todo Write debug entry on failure
581
     *
582
     * @param string $action
583
     * @param array  $data
584
     *
585
     * @return ServerResponse
586
     * @throws TelegramException
587
     */
588
    public static function send($action, array $data = [])
589
    {
590
        self::ensureValidAction($action);
591
        self::addDummyParamIfNecessary($action, $data);
592
593
        $bot_username = self::$telegram->getBotUsername();
594
595
        if (defined('PHPUNIT_TESTSUITE')) {
596
            $fake_response = self::generateGeneralFakeServerResponse($data);
597
598
            return new ServerResponse($fake_response, $bot_username);
599
        }
600
601
        self::ensureNonEmptyData($data);
602
603
        self::limitTelegramRequests($action, $data);
604
605
        // Remember which action is currently being executed.
606
        self::$current_action = $action;
607
608
        $raw_response = self::execute($action, $data);
609
        $response     = json_decode($raw_response, true);
610
611
        if (null === $response) {
612
            TelegramLog::debug($raw_response);
613
            throw new TelegramException('Telegram returned an invalid response!');
614
        }
615
616
        $response = new ServerResponse($response, $bot_username);
617
618
        if (!$response->isOk() && $response->getErrorCode() === 401 && $response->getDescription() === 'Unauthorized') {
619
            throw new InvalidBotTokenException();
620
        }
621
622
        // Reset current action after completion.
623
        self::$current_action = null;
624
625
        return $response;
626
    }
627
628
    /**
629
     * Add a dummy parameter if the passed action requires it.
630
     *
631
     * If a method doesn't require parameters, we need to add a dummy one anyway,
632
     * because of some cURL version failed POST request without parameters.
633
     *
634
     * @link https://github.com/php-telegram-bot/core/pull/228
635
     *
636
     * @todo Would be nice to find a better solution for this!
637
     *
638
     * @param string $action
639
     * @param array  $data
640
     */
641
    protected static function addDummyParamIfNecessary($action, array &$data)
642
    {
643
        if (in_array($action, self::$actions_need_dummy_param, true)) {
644
            // Can be anything, using a single letter to minimise request size.
645
            $data = ['d'];
646
        }
647
    }
648
649
    /**
650
     * Make sure the data isn't empty, else throw an exception
651
     *
652
     * @param array $data
653
     *
654
     * @throws TelegramException
655
     */
656
    private static function ensureNonEmptyData(array $data)
657
    {
658
        if (count($data) === 0) {
659
            throw new TelegramException('Data is empty!');
660
        }
661
    }
662
663
    /**
664
     * Make sure the action is valid, else throw an exception
665
     *
666
     * @param string $action
667
     *
668
     * @throws TelegramException
669
     */
670
    private static function ensureValidAction($action)
671
    {
672
        if (!in_array($action, self::$actions, true)) {
673
            throw new TelegramException('The action "' . $action . '" doesn\'t exist!');
674
        }
675
    }
676
677
    /**
678
     * Use this method to send text messages. On success, the sent Message is returned
679
     *
680
     * @link https://core.telegram.org/bots/api#sendmessage
681
     *
682
     * @param array $data
683
     *
684
     * @return ServerResponse
685
     * @throws TelegramException
686
     */
687
    public static function sendMessage(array $data)
688
    {
689
        $text = $data['text'];
690
691
        do {
692
            //Chop off and send the first message
693
            $data['text'] = mb_substr($text, 0, 4096);
694
            $response     = self::send('sendMessage', $data);
695
696
            //Prepare the next message
697
            $text = mb_substr($text, 4096);
698
        } while (mb_strlen($text, 'UTF-8') > 0);
699
700
        return $response;
701
    }
702
703
    /**
704
     * Any statically called method should be relayed to the `send` method.
705
     *
706
     * @param string $action
707
     * @param array  $data
708
     *
709
     * @return ServerResponse
710
     */
711
    public static function __callStatic($action, array $data)
712
    {
713
        // Make sure to add the action being called as the first parameter to be passed.
714
        array_unshift($data, $action);
715
716
        // @todo Use splat operator for unpacking when we move to PHP 5.6+
717
        return call_user_func_array('static::send', $data);
718
    }
719
720
    /**
721
     * Return an empty Server Response
722
     *
723
     * No request to telegram are sent, this function is used in commands that
724
     * don't need to fire a message after execution
725
     *
726
     * @return ServerResponse
727
     */
728
    public static function emptyResponse()
729
    {
730
        return new ServerResponse(['ok' => true, 'result' => true], null);
731
    }
732
733
    /**
734
     * Send message to all active chats
735
     *
736
     * @param string $callback_function
737
     * @param array  $data
738
     * @param array  $select_chats_params
739
     *
740
     * @return array
741
     * @throws TelegramException
742
     */
743
    public static function sendToActiveChats(
744
        $callback_function,
745
        array $data,
746
        array $select_chats_params
747
    ) {
748
        self::ensureValidAction($callback_function);
749
750
        $chats = DB::selectChats($select_chats_params);
751
752
        $results = [];
753
        if (is_array($chats)) {
754
            foreach ($chats as $row) {
755
                $data['chat_id'] = $row['chat_id'];
756
                $results[]       = self::send($callback_function, $data);
757
            }
758
        }
759
760
        return $results;
761
    }
762
763
    /**
764
     * Enable request limiter
765
     *
766
     * @param boolean $enable
767
     * @param array   $options
768
     *
769
     * @throws TelegramException
770
     */
771
    public static function setLimiter($enable = true, array $options = [])
772
    {
773
        if (DB::isDbConnected()) {
774
            $options_default = [
775
                'interval' => 1,
776
            ];
777
778
            $options = array_merge($options_default, $options);
779
780
            if (!is_numeric($options['interval']) || $options['interval'] <= 0) {
781
                throw new TelegramException('Interval must be a number and must be greater than zero!');
782
            }
783
784
            self::$limiter_interval = $options['interval'];
785
            self::$limiter_enabled  = $enable;
786
        }
787
    }
788
789
    /**
790
     * This functions delays API requests to prevent reaching Telegram API limits
791
     *  Can be disabled while in execution by 'Request::setLimiter(false)'
792
     *
793
     * @link https://core.telegram.org/bots/faq#my-bot-is-hitting-limits-how-do-i-avoid-this
794
     *
795
     * @param string $action
796
     * @param array  $data
797
     *
798
     * @throws TelegramException
799
     */
800
    private static function limitTelegramRequests($action, array $data = [])
801
    {
802
        if (self::$limiter_enabled) {
803
            $limited_methods = [
804
                'sendMessage',
805
                'forwardMessage',
806
                'sendPhoto',
807
                'sendAudio',
808
                'sendDocument',
809
                'sendSticker',
810
                'sendVideo',
811
                'sendAnimation',
812
                'sendVoice',
813
                'sendVideoNote',
814
                'sendMediaGroup',
815
                'sendLocation',
816
                'editMessageLiveLocation',
817
                'stopMessageLiveLocation',
818
                'sendVenue',
819
                'sendContact',
820
                'sendPoll',
821
                'sendInvoice',
822
                'sendGame',
823
                'setGameScore',
824
                'editMessageText',
825
                'editMessageCaption',
826
                'editMessageMedia',
827
                'editMessageReplyMarkup',
828
                'stopPoll',
829
                'setChatTitle',
830
                'setChatDescription',
831
                'setChatStickerSet',
832
                'deleteChatStickerSet',
833
                'setPassportDataErrors',
834
            ];
835
836
            $chat_id           = isset($data['chat_id']) ? $data['chat_id'] : null;
837
            $inline_message_id = isset($data['inline_message_id']) ? $data['inline_message_id'] : null;
838
839
            if (($chat_id || $inline_message_id) && in_array($action, $limited_methods, true)) {
840
                $timeout = 60;
841
842
                while (true) {
843
                    if ($timeout <= 0) {
844
                        throw new TelegramException('Timed out while waiting for a request spot!');
845
                    }
846
847
                    if (!($requests = DB::getTelegramRequestCount($chat_id, $inline_message_id))) {
848
                        break;
849
                    }
850
851
                    // Make sure we're handling integers here.
852
                    $requests = array_map('intval', $requests);
853
854
                    $chat_per_second   = ($requests['LIMIT_PER_SEC'] === 0);    // No more than one message per second inside a particular chat
855
                    $global_per_second = ($requests['LIMIT_PER_SEC_ALL'] < 30); // No more than 30 messages per second to different chats
856
                    $groups_per_minute = (((is_numeric($chat_id) && $chat_id > 0) || $inline_message_id !== null) || ((!is_numeric($chat_id) || $chat_id < 0) && $requests['LIMIT_PER_MINUTE'] < 20));    // No more than 20 messages per minute in groups and channels
857
858
                    if ($chat_per_second && $global_per_second && $groups_per_minute) {
859
                        break;
860
                    }
861
862
                    $timeout--;
863
                    usleep((int) (self::$limiter_interval * 1000000));
864
                }
865
866
                DB::insertTelegramRequest($action, $data);
867
            }
868
        }
869
    }
870
}
871