cyber-fca
Version:
A Facebook chat api for messenger bots.
277 lines (248 loc) • 8.91 kB
JavaScript
;
var utils = require('../utils');
var log = require('npmlog');
module.exports = function (defaultFuncs, api, ctx) {
function handleUpload(msg, form) {
var cb;
var rt = new Promise(function (resolve, reject) {
cb = error => error ? reject(error) : resolve();
});
if (!msg.attachment) cb();
else {
msg.attachment = Array.isArray(msg.attachment) ? msg.attachment : [msg.attachment];
let uploads = [];
for (let attachment of msg.attachment) {
if (!utils.isReadableStream(attachment))
cb('Attachment should be a readable stream, not ' + utils.getType(attachment));
var vari = {
source: 8,
profile_id: ctx.userID,
waterfallxapp: 'comet',
farr: attachment,
upload_id: 'jsc_c_6'
}
var main = defaultFuncs
.postFormData('https://upload.facebook.com/ajax/react_composer/attachments/photo/upload', ctx.jar, vari)
.then(utils.parseAndCheckLogin(ctx, defaultFuncs))
.then(function (res) {
if (res.error || res.errors)
throw res;
return res.payload;
});
uploads.push(main);
}
Promise
.all(uploads)
.then(function (res) {
for (let payload of res) {
if (!payload) break;
form.input.attachments.push({
photo: {
id: payload.photoID
}
});
}
return cb();
})
.catch(cb);
}
return rt;
}
function handleUrl(msg, form) {
var cb;
var rt = new Promise(function (resolve, reject) {
cb = error => error ? reject(error) : resolve();
});
if (!msg.url) cb();
else {
var vari = {
feedLocation: "FEED_COMPOSER",
focusCommentID: null,
goodwillCampaignId: "",
goodwillCampaignMediaIds: [],
goodwillContentType: null,
params: {
url: msg.url
},
privacySelectorRenderLocation: "COMET_COMPOSER",
renderLocation: "composer_preview",
parentStoryID: null,
scale: 1,
useDefaultActor: false,
shouldIncludeStoryAttachment: false,
__relay_internal__pv__IsWorkUserrelayprovider: false,
__relay_internal__pv__IsMergQAPollsrelayprovider: false
}
defaultFuncs
.post('https://www.facebook.com/api/graphql/', ctx.jar, {
fb_api_req_friendly_name: 'ComposerLinkAttachmentPreviewQuery',
variables: JSON.stringify(vari),
server_timestamps: true,
doc_id: 6549975235094234
})
.then(utils.parseAndCheckLogin(ctx, defaultFuncs))
.then(function (res) {
var res = (res[0] || res).data.link_preview;
if (JSON.parse(res.share_scrape_data).share_type == 400)
throw { error: 'url is not accepted' }
form.input.attachments.push({
link: {
share_scrape_data: res.share_scrape_data
}
});
return cb();
})
.catch(cb);
}
return rt;
}
function handleMention(msg, form) {
if (!msg.mentions) return;
msg.mentions = Array.isArray(msg.mentions) ? msg.mentions : [msg.mentions];
for (let mention of msg.mentions) {
var { id, tag, fromIndex } = mention;
if (typeof tag != 'string')
throw 'Mention tag must be string';
if (!id)
throw 'id must be string';
var offset = msg.body.indexOf(tag, fromIndex || 0);
if (offset < 0)
throw 'Mention for "' + tag + '" not found in message string.';
form.input.message.ranges.push({
entity: { id },
length: tag.length,
offset
});
}
}
function createContent(vari) {
var cb;
var rt = new Promise(function (resolve, reject) {
cb = (error, postData) => error ? reject(error) : resolve(postData);
});
var form = {
fb_api_req_friendly_name: 'ComposerStoryCreateMutation',
variables: JSON.stringify(vari),
server_timestamps: true,
doc_id: 6255089511280268
}
defaultFuncs
.post('https://www.facebook.com/api/graphql/', ctx.jar, form)
.then(utils.parseAndCheckLogin(ctx, defaultFuncs))
.then(res => cb(null, res))
.catch(cb);
return rt;
}
return function createPost(msg, callback) {
var cb;
var rt = new Promise(function (resolve, reject) {
cb = (error, url) => url ? resolve(url) : reject(error);
});
if (typeof msg == 'function') {
var error = 'Msg must be a string or object and not function';
console.error('createPost', error);
return msg(error);
}
if (typeof callback == 'function') cb = callback;
var typeMsg = utils.getType(msg);
if (!['Object', 'String'].includes(typeMsg)) {
var error = 'Msg must be a string or object and not ' + typeMsg;
console.error('createPost', error);
return cb(error);
} else if (typeMsg == 'String') msg = { body: msg };
msg.allowUserID = msg.allowUserID ? !Array.isArray(msg.allowUserID) ? [msg.allowUserID] : msg.allowUserID : null;
var sessionID = utils.getGUID();
var base = [
'EVERYONE',
'FRIENDS',
'SELF'
];
var form = {
input: {
composer_entry_point: !msg.groupID && msg.url ? 'share_modal' : "inline_composer",
composer_source_surface: !msg.groupID && msg.url ? 'feed_story' : msg.groupID ? "group" : "timeline",
composer_type: !msg.groupID && msg.url ? 'share' : msg.groupID ? "group" : "timeline",
idempotence_token: sessionID + "_FEED",
source: "WWW",
attachments: [],
audience: msg.groupID ? {
to_id: msg.groupID
} : {
privacy: {
allow: msg.allowUserID ? msg.allowUserID : [],
base_state: msg.allowUserID && msg.allowUserID.length > 0 ? base[2] : (base[msg.baseState - 1] || base[0]),
deny: [],
tag_expansion_state: "UNSPECIFIED"
}
},
message: {
ranges: [],
text: msg.body ? typeof msg.body == 'object' ? JSON.stringify(msg.body, null, 2) : msg.body : ''
},
with_tags_ids: [],
inline_activities: [],
explicit_place_id: 0,
text_format_preset_id: 0,
logging: {
composer_session_id: sessionID
},
navigation_data: {
attribution_id_v2: msg.groupID ? "CometGroupDiscussionRoot.react,comet.group,tap_search_bar," + Date.now() + ",909538,2361831622," : "ProfileCometTimelineListViewRoot.react,comet.profile.timeline.list,via_cold_start," + Date.now() + ",796829,190055527696468,"
},
is_tracking_encrypted: !!msg.url,
tracking: [],
event_share_metadata: {
surface: "newsfeed"
},
actor_id: ctx.globalOptions.pageID || ctx.userID,
client_mutation_id: Math.round(Math.random() * 19).toString()
},
displayCommentsFeedbackContext: null,
displayCommentsContextEnableComment: null,
displayCommentsContextIsAdPreview: null,
displayCommentsContextIsAggregatedShare: null,
displayCommentsContextIsStorySet: null,
feedLocation: msg.groupID ? "GROUP" : "TIMELINE",
feedbackSource: 0,
focusCommentID: null,
gridMediaWidth: 230,
groupID: null,
scale: 1,
privacySelectorRenderLocation: "COMET_STREAM",
renderLocation: msg.groupID ? "group" : "timeline",
useDefaultActor: false,
inviteShortLinkKey: null,
isFeed: false,
isFundraiser: false,
isFunFactPost: false,
isGroup: !!msg.groupID,
isEvent: false,
isTimeline: !msg.groupID,
isSocialLearning: false,
isPageNewsFeed: !!ctx.globalOptions.pageID,
isProfileReviews: false,
isWorkSharedDraft: false,
UFI2CommentsProvider_commentsKey: msg.groupID ? "CometGroupDiscussionRootSuccessQuery" : "ProfileCometTimelineRoute",
hashtag: null,
canUserManageOffers: false,
__relay_internal__pv__CometUFIIsRTAEnabledrelayprovider: false,
__relay_internal__pv__IsWorkUserrelayprovider: false,
__relay_internal__pv__IsMergQAPollsrelayprovider: false,
__relay_internal__pv__StoriesArmadilloReplyEnabledrelayprovider: false,
__relay_internal__pv__StoriesRingrelayprovider: false
}
handleUpload(msg, form)
.then(_ => handleUrl(msg, form))
.then(_ => handleMention(msg, form))
.then(_ => createContent(form))
.then((res) => {
if (res.error || res.errors) throw res;
return cb(null, (res[0] || res).data.story_create.story.url);
})
.catch((err) => {
//console.error('createPost', err);
return cb(err);
});
return rt;
}
}