├── .gitignore ├── LICENSE ├── README.md ├── bot.js ├── cleanup.sh ├── config.js ├── db.sqlite ├── index.js └── package.json /.gitignore: -------------------------------------------------------------------------------- 1 | *.swp 2 | *.log 3 | node_modules/ 4 | config.js 5 | db.sqlite 6 | package-lock.json 7 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | (c) 2017 Denni Bevilacqua, Antonio Vivace 2 | 3 | GNU GENERAL PUBLIC LICENSE 4 | Version 3, 29 June 2007 5 | 6 | Copyright (C) 2007 Free Software Foundation, Inc. 7 | Everyone is permitted to copy and distribute verbatim copies 8 | of this license document, but changing it is not allowed. 9 | 10 | Preamble 11 | 12 | The GNU General Public License is a free, copyleft license for 13 | software and other kinds of works. 14 | 15 | The licenses for most software and other practical works are designed 16 | to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. 615 | 616 | If the disclaimer of warranty and limitation of liability provided 617 | above cannot be given local legal effect according to their terms, 618 | reviewing courts shall apply local law that most closely approximates 619 | an absolute waiver of all civil liability in connection with the 620 | Program, unless a warranty or assumption of liability accompanies a 621 | copy of the Program in return for a fee. 622 | 623 | END OF TERMS AND CONDITIONS 624 | 625 | How to Apply These Terms to Your New Programs 626 | 627 | If you develop a new program, and you want it to be of the greatest 628 | possible use to the public, the best way to achieve this is to make it 629 | free software which everyone can redistribute and change under these terms. 630 | 631 | To do so, attach the following notices to the program. It is safest 632 | to attach them to the start of each source file to most effectively 633 | state the exclusion of warranty; and each file should have at least 634 | the "copyright" line and a pointer to where the full notice is found. 635 | 636 | {one line to give the program's name and a brief idea of what it does.} 637 | Copyright (C) {year} {name of author} 638 | 639 | This program is free software: you can redistribute it and/or modify 640 | it under the terms of the GNU General Public License as published by 641 | the Free Software Foundation, either version 3 of the License, or 642 | (at your option) any later version. 643 | 644 | This program is distributed in the hope that it will be useful, 645 | but WITHOUT ANY WARRANTY; without even the implied warranty of 646 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 647 | GNU General Public License for more details. 648 | 649 | You should have received a copy of the GNU General Public License 650 | along with this program. If not, see . 651 | 652 | Also add information on how to contact you by electronic and paper mail. 653 | 654 | If the program does terminal interaction, make it output a short 655 | notice like this when it starts in an interactive mode: 656 | 657 | {project} Copyright (C) {year} {fullname} 658 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 659 | This is free software, and you are welcome to redistribute it 660 | under certain conditions; type `show c' for details. 661 | 662 | The hypothetical commands `show w' and `show c' should show the appropriate 663 | parts of the General Public License. Of course, your program's commands 664 | might be different; for a GUI interface, you would use an "about box". 665 | 666 | You should also get your employer (if you work as a programmer) or school, 667 | if any, to sign a "copyright disclaimer" for the program, if necessary. 668 | For more information on this, and how to apply and follow the GNU GPL, see 669 | . 670 | 671 | The GNU General Public License does not permit incorporating your program 672 | into proprietary programs. If your program is a subroutine library, you 673 | may consider it more useful to permit linking proprietary applications with 674 | the library. If this is what you want to do, use the GNU Lesser General 675 | Public License instead of this License. But first, please read 676 | . 677 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # RSSnotifier 2 | 3 | > An RSS reader. On steroids. 4 | 5 | Built by [Denni Bevilacqua](https://github.com/dennib) and [Antonio Vivace](https://github.com/avivace) 6 | 7 | ## Structure 8 | 9 | #### `index.js` 10 | A Node **backend** handles the feed parsing and reading. The `match` function flags specific elements, based on user-defined keywords (*queries*). 11 | 12 | #### `bot.js` 13 | A telegram bot - working as a frontend - allowing multiple users to define their subscriptions, preferences and *queries*. 14 | 15 | Every subscription can be set on two modes: 16 | 17 | - **query-mode** - every query-matching element triggers a notification; 18 | - **reading-mode** - every new element will be notified. 19 | 20 | ## Usage 21 | 22 | Given you have Node (and npm) installed, deploy your instance: 23 | 24 | - Clone this repo, `git clone https://github.com/avivace/rssnotifier` 25 | - Edit `config.js` with your botToken and configure the whitelisting 26 | - `npm install` 27 | - `npm start` 28 | - Talk with the bot and add a sample query 29 | 30 | 31 | -------------------------------------------------------------------------------- /bot.js: -------------------------------------------------------------------------------- 1 | module.exports = { 2 | start: function(db, bot, config, HashMap) { 3 | 4 | // Strings 5 | const errorText_0 = "Mh, something went wrong. Retry the last phase or /cancel to start over" 6 | const errorText_1 = "Command unrecognised. See /help for the complete list of available commands." 7 | const errorText_2 = "Something unexpected happened. Please restart from the beginning." 8 | const errorText_3 = "Nothing to cancel, you're good to go." 9 | const startText = "Oh hey, welcome! I can send you elements from RSS feeds you provide me. You can specify a query and only matching elements will be notified. See /help for the list of available commands or start by typing `/`" 10 | const helpText = "Here's the complete list of the commands you can use:\n"+ 11 | "/start - Start the bot and enable notifications\n"+ 12 | "/addquery - Subscribe to an RSS feed and provide keywords to match\n"+ 13 | "/cancel - Cancel every running task and restart\n"+ 14 | "/status - See the status of every subscription you created\n"+ 15 | "/disable - Disable a subscription\n"+ 16 | "/enable - Enable a subscription\n" + 17 | "/delete - Delete a subscription\n"+ 18 | "/edit - Edit the mode, keywords or feed URL of a subscription\n"+ 19 | "/stop - Stop the notifications\n"+ 20 | "/info - Informations on the bot\n" 21 | const cancelText = "The current action was canceled, you can start over." 22 | const addqueryText_0 = "Great! Send me a list of keywords separated by a single space. Like this: `Doctor` `Who`. If you want the subscription to be in **ready-mode**, so you get a notification for every new message, send /skip ." 23 | const addqueryText_1A = "Gotcha. Now send me the Feed URL" 24 | const addqueryText_1B = "Gotcha. Now send me the Feed URL or choose an URL you've already sent" 25 | const addqueryText_2 = "Yay. I've added the query to your account. You will receive notifications on matching elements" 26 | const addqueryText_3 = "Sorry, you have already made your choice, please start over with\n/addquery" 27 | const whitelistDenyText = "You are not allowed to use this bot. Sorry." 28 | const enableDisableText_0 = "Sorry! You don't have any query to" 29 | const enableDisableText_1 = "Good! Which one of the queries below do you want to" 30 | const enableDisableText_2 = "Sorry, you have already made your choice, please start over with\n/" 31 | const editText_0 = "Sorry, you don't have any query yet, try adding some with\n/addquery" 32 | const editText_1 = "OK! Which one of the queries below do you want to" 33 | const editText_2 = "Sorry, you have already made your choice, please start over with\n/" 34 | const deleteText_0 = "Sorry, you don't have any query yet, try adding some with\n/addquery" 35 | const deleteText_1 = "OK! Which one of the queries below do you want to" 36 | const deleteText_2 = "Sorry, you have already made your choice, please start over with\n/" 37 | const deleteText_3 = "Perfect, no worries! Nothing was deleted, wanna try again with\n/delete?" 38 | const infoText = "RSS Notifier is an open source Node application. Check the source and contribute on https://github.com/avivace/rssnotifier" 39 | const skipText = "The subscription is in *read-mode*. " 40 | 41 | // Holds the current conversation state per user 42 | var convStatusMap = new HashMap(); 43 | // Holds data to be transfered from one step of the conversation to another 44 | var stepDataTransferMap = new HashMap(); 45 | // Holds current conversation context to know how to respond on next step 46 | var convContext = new HashMap(); 47 | // Initial conversation handler status 48 | var status = 0; 49 | // Element is in array helper function 50 | var contains = function(needle) { 51 | // Per spec, the way to identify NaN is that it is not equal to itself 52 | var findNaN = needle !== needle; 53 | var indexOf; 54 | if (!findNaN && typeof Array.prototype.indexOf === 'function') { 55 | indexOf = Array.prototype.indexOf; 56 | } else { 57 | indexOf = function(needle) { 58 | var i = -1, 59 | index = -1; 60 | for (i = 0; i < this.length; i++) { 61 | var item = this[i]; 62 | if ((findNaN && item !== item) || item === needle) { 63 | index = i; 64 | break; 65 | } 66 | } 67 | return index; 68 | }; 69 | } 70 | return indexOf.call(this, needle) > -1; 71 | }; 72 | 73 | function resetConversation(chatId) { 74 | // TODO: pre validate URL: regex + try to see if it's valid 75 | // Reset conversation status and context for current user 76 | convStatusMap.set(chatId, 0) 77 | convContext.remove(chatId) 78 | } 79 | 80 | function storeUserQuery(chatId,FeedURL) { 81 | // At the end of /addquery command, either with manual typing of URL 82 | // or using an inline button, store current query and feed in db and 83 | // notify the user 84 | bot.sendMessage(chatId, addqueryText_2) 85 | // TODO: check again if we're inserting valid values 86 | db.run("INSERT INTO `QUERIES`(`ID`,`Keywords`,`Owner`,`FeedURL`,`Active`) VALUES (NULL,?,?,?, 1)", stepDataTransferMap.get(chatId), chatId, FeedURL); 87 | } 88 | 89 | // Inline keyboards? 90 | bot.on('message', (msg) => { 91 | // TODO: allow use in group: if in group, every message starts with @bot 92 | // (privacy activated) 93 | const chatId = msg.chat.id; 94 | const message = msg.text; 95 | console.log("---".cyan.bold) 96 | console.log(chatId + " : " + message) 97 | 98 | if (!convStatusMap.get(chatId)) 99 | status = 0; 100 | else 101 | status = convStatusMap.get(chatId); 102 | 103 | console.log("C Status:" + status) 104 | if (!config.whitelist_enabled || contains.call(config.whitelist, chatId)) { 105 | console.log("Allowed") 106 | // Fallback /cancel 107 | if (message.match(/\/cancel\s*/)) { 108 | // If status is 0, there's nothing to abort, let's reset anyway (for now) 109 | // but notify the user with a differente message (in switch statement) 110 | if (status != 0) bot.sendMessage(chatId, cancelText); 111 | resetConversation(chatId); 112 | } 113 | // Conversation Handling 114 | var context = convContext.get(chatId); 115 | switch (status) { 116 | case 0: 117 | if (message.match(/\/start\s*/)) 118 | bot.sendMessage(chatId, startText, {parse_mode : 'Markdown'}); 119 | else if (message.match(/\/info\s*/)) 120 | bot.sendMessage(chatId, infoText, {parse_mode : 'Markdown'}); 121 | else if (message.match(/\/help\s*/)) 122 | bot.sendMessage(chatId, helpText); 123 | else if (message.match(/\/addquery\s*/)) { 124 | bot.sendMessage(chatId, addqueryText_0, { 125 | parse_mode: "Markdown" 126 | }) 127 | convStatusMap.set(chatId, 1) 128 | convContext.set(chatId, 'addquery') 129 | } else if (message.match(/\/status\s*/)) { 130 | // COMPOSE SQL TO MATCH EVERY EXISTENT QUERY 131 | var query = "SELECT * FROM QUERIES WHERE Owner = ?" 132 | var text = "YOUR QUERIES:" + "\n--------------------------"; 133 | db.all(query, chatId, function(error, rows) { 134 | rows.forEach(function(row) { 135 | if (row.Keywords == "Everything"){ 136 | var polishedKeywords = "Everything" 137 | } 138 | else { 139 | var polishedKeywords = 'Keywords: "' + JSON.parse(row.Keywords).join('", "') + '"' 140 | } 141 | var active = "Disabled" 142 | if (row.Active) active = "Enabled" 143 | text = text + "\n\nID: " + row.ID + "\n" + polishedKeywords + "\nFeedURL: " + row.FeedURL + " \n" + active 144 | }); 145 | bot.sendMessage(chatId, text, { 146 | parse_mode: "HTML" 147 | }) 148 | }) 149 | 150 | } else if (message.match(/\/(enable|disable)\s*$/)) { 151 | var array = message.match(/\/(enable|disable)\s*$/) 152 | var commandText = array[1]; 153 | var queryTargetStatus = (commandText == 'enable') ? 0 : 1; 154 | 155 | var gf_Query = 'SELECT ID,FeedURL,Keywords AS keywordGroup FROM QUERIES WHERE Owner = ? AND Active = ?' 156 | var gf_Query_Params = [chatId,queryTargetStatus] 157 | db.all(gf_Query,gf_Query_Params, function(err,rows){ 158 | if (rows.length > 0) { 159 | convStatusMap.set(chatId,1); 160 | convContext.set(chatId,commandText) 161 | // Prepare inline_keyboard 162 | var inline_keyboard = []; 163 | var options = {} 164 | // ...build an inline button with that feed data and push it into inline_keyboard array 165 | rows.forEach(function(row) { 166 | var callback_data = JSON.stringify({ 167 | context: commandText, 168 | rowId : row.ID 169 | // Passing row.ID (and not entire URL) thus needing another query after callback 170 | // beacuse of Telegram 64 bytes limit on callback_data 171 | }) 172 | // ...BUILDING THE KEYBOARD... 173 | inline_keyboard.push( [{ text: row.keywordGroup + ' on ' + row.FeedURL, callback_data: callback_data }] ) 174 | }); 175 | // Correctly format current message reply (keyboard) 176 | options.reply_markup = JSON.stringify({ 177 | inline_keyboard: inline_keyboard 178 | }) 179 | bot.sendMessage(chatId,enableDisableText_1 + ' ' + commandText + '?', options) 180 | } else { 181 | resetConversation(chatId); 182 | bot.sendMessage(chatId,enableDisableText_0 + ' *' + commandText + '*!', { 183 | parse_mode : 'Markdown' 184 | }) 185 | } 186 | }); 187 | } else if (message.match(/\/edit\s*$/)) { 188 | var context = 'edit'; 189 | // Select all stored queries for current user so he can edit one of them 190 | var gf_Query = 'SELECT ID,FeedURL,Keywords AS keywordGroup FROM QUERIES WHERE Owner = ?' 191 | var gf_Query_Params = [chatId] 192 | db.all(gf_Query,gf_Query_Params,function(err,rows) { 193 | if (rows.length > 0 ) { 194 | convStatusMap.set(chatId,1) 195 | convContext.set(chatId,context) 196 | // Prepare inline_keyboard 197 | var inline_keyboard = []; 198 | var options = { parse_mode:'Markdown' } 199 | // ...build an inline button with that feed data and push it into inline_keyboard array 200 | rows.forEach(function(row) { 201 | var callback_data = JSON.stringify({ 202 | context: context, 203 | rowId : row.ID 204 | // Passing row.ID (and not entire URL) thus needing another query after callback 205 | // beacuse of Telegram 64 bytes limit on callback_data 206 | }) 207 | // ...BUILDING THE KEYBOARD... 208 | inline_keyboard.push( [{ text: row.keywordGroup + ' on ' + row.FeedURL, callback_data: callback_data }] ) 209 | }); 210 | // Correctly format current message reply (keyboard) 211 | options.reply_markup = JSON.stringify({ 212 | inline_keyboard: inline_keyboard 213 | }) 214 | bot.sendMessage(chatId,editText_1 + ' *' + context + '*?', options) 215 | } else { 216 | resetConversation(chatId); 217 | bot.sendMessage(chatId,editText_0); 218 | } 219 | }); 220 | } else if (message.match(/\/delete\s*$/)) { 221 | var context = 'delete'; 222 | var gf_Query = 'SELECT ID,FeedURL,Keywords AS keywordGroup FROM QUERIES WHERE Owner = ?' 223 | var gf_Query_Params = [chatId] 224 | db.all(gf_Query,gf_Query_Params,function(err,rows){ 225 | if (rows.length > 0) { 226 | convStatusMap.set(chatId,1); 227 | convContext.set(chatId,context) 228 | // Prepare inline_keyboard 229 | var inline_keyboard = []; 230 | var options = { parse_mode:'Markdown' } 231 | // ...build an inline button with that feed data and push it into inline_keyboard array 232 | rows.forEach(function(row) { 233 | var callback_data = JSON.stringify({ 234 | context: context, 235 | rowId : row.ID 236 | // Passing row.ID (and not entire URL) thus needing another query after callback 237 | // beacuse of Telegram 64 bytes limit on callback_data 238 | }) 239 | // ...BUILDING THE KEYBOARD... 240 | inline_keyboard.push( [{ text: row.keywordGroup + ' on ' + row.FeedURL, callback_data: callback_data }] ) 241 | }); 242 | // Correctly format current message reply (keyboard) 243 | options.reply_markup = JSON.stringify({ 244 | inline_keyboard: inline_keyboard 245 | }) 246 | bot.sendMessage(chatId,deleteText_1 + ' *' + context + '*?', options) 247 | } else { 248 | resetConversation(chatId); 249 | bot.sendMessage(chatId,deleteText_0); 250 | } 251 | }); 252 | } else if (message.match(/\/cancel\s*$/)) { 253 | // Notify the user, we've got nothing to abort 254 | bot.sendMessage(chatId, errorText_3) 255 | } else { 256 | bot.sendMessage(chatId, errorText_1) 257 | } 258 | break; 259 | 260 | case 1: 261 | // TODO: pre validate message (only words and spaces) 262 | if (message.match(/[A-Za-z\s0-9]*/)) { 263 | // Choose behavior for this conversation step based on current 264 | // conversation context 265 | if (context == 'addquery') { 266 | // Select all different Feeds this user already stored so we can suggest them 267 | // to him usign inline buttons 268 | var rq_Query = 'SELECT ID,FeedURL FROM QUERIES where Owner = ? GROUP BY FeedURL'; 269 | var rq_Query_Params = [chatId]; 270 | db.all(rq_Query, rq_Query_Params, function(error, rows) { 271 | // Prepare inline_keyboard 272 | var inline_keyboard = []; 273 | var textToUser = addqueryText_1A; 274 | var options = {} 275 | // If this user has at least 1 feed already stored... 276 | if (rows.length > 0) { 277 | textToUser = addqueryText_1B; 278 | // ...build an inline button with that feed data and push it into inline_keyboard array 279 | rows.forEach(function(row) { 280 | var callback_data = JSON.stringify({ 281 | context: context, 282 | rowId: row.ID 283 | // Passing row.ID (and not entire URL) thus needing another query after callback 284 | // beacuse of Telegram 64 bytes limit on callback_data 285 | }) 286 | // ...BUILDING THE KEYBOARD... 287 | inline_keyboard.push( [{ text: row.FeedURL, callback_data: callback_data }] ) 288 | }); 289 | // Correctly format current message reply (keyboard) 290 | options.reply_markup = JSON.stringify({ 291 | inline_keyboard: inline_keyboard 292 | }) 293 | } 294 | var array = JSON.stringify(message.split(' ')); 295 | convStatusMap.set(chatId, 2) 296 | if (message == '/skip'){ 297 | array = "Everything"; 298 | textToUser = skipText + textToUser; 299 | } 300 | stepDataTransferMap.set(chatId, array) 301 | bot.sendMessage(chatId, textToUser, options) 302 | }); 303 | } else if (context == 'enable' || context == 'disable' || context == 'edit' || context == 'delete') { 304 | // With enable|disable|edit|delete context on step 1 the user can only use 305 | // an inline button or /cancel, if we receive text let's explain this to him 306 | bot.sendMessage(chatId, errorText_0) 307 | } 308 | } else { 309 | bot.sendMessage(chatId, errorText_0) 310 | } 311 | break; 312 | 313 | case 2: 314 | if (context == 'addquery') { 315 | // At this point we have a manually entered URL, let's store it 316 | // along with its query and reset the conversation 317 | resetConversation(chatId); 318 | storeUserQuery(chatId,message); 319 | } else if (context == 'edit') { 320 | // Let's prepare some values passed in stepDataTransferMap (Hashmap) 321 | var rowId = stepDataTransferMap.get(chatId).rowId; 322 | var keywordGroup = stepDataTransferMap.get(chatId).query; 323 | var feed = stepDataTransferMap.get(chatId).feed; 324 | // If user wants to edit the keywords... 325 | if (message.match(/(editkeywords)\s*$/i)) { 326 | convStatusMap.set(chatId,3) 327 | convContext.set(chatId,'editkeywords') 328 | // Send him info about current query keywords and ask him to send new ones to us... 329 | bot.sendMessage(chatId,'Perfect! Current keywords are\n*"' + JSON.parse(keywordGroup).join('", "') + '"*\nPlease, send me the new ones',{ 330 | parse_mode:'Markdown' 331 | }); 332 | // ...if he wants to edit the feed instead... 333 | } else if (message.match(/(editfeed)\s*$/i)) { 334 | // Retrieve all feeds stored by the user different from the one of current query 335 | // (the one we're going to edit) so we can suggest them as alternatives 336 | var rq_Query = 'SELECT ID,FeedURL FROM QUERIES where Owner = ? AND FeedURL != ? GROUP BY FeedURL'; 337 | var rq_Query_Params = [chatId,feed]; 338 | db.all(rq_Query, rq_Query_Params, function(error, rows) { 339 | // Prepare inline_keyboard 340 | var inline_keyboard = []; 341 | var options = { 342 | parse_mode: 'HTML' 343 | } 344 | // If this user has at least 1 feed, different from current one, already stored... 345 | if (rows.length > 0) { 346 | // ...build an inline button with that feed data and push it into inline_keyboard array 347 | rows.forEach(function(row) { 348 | var callback_data = JSON.stringify({ 349 | context: 'edit', 350 | rowId: row.ID 351 | // Passing row.ID (and not entire URL) thus needing another query after callback 352 | // beacuse of Telegram 64 bytes limit on callback_data 353 | }) 354 | // ...BUILDING THE KEYBOARD... 355 | inline_keyboard.push( [{ text: row.FeedURL, callback_data: callback_data }] ) 356 | }); 357 | // Correctly format current message reply (keyboard) 358 | options.reply_markup = JSON.stringify({ 359 | inline_keyboard: inline_keyboard 360 | }) 361 | } 362 | convStatusMap.set(chatId,3) 363 | convContext.set(chatId,'editfeed') 364 | bot.sendMessage(chatId,'Perfect! Current Feed URL is\n' + feed + '\nPlease, send me the new one',options); 365 | }); 366 | 367 | } else { 368 | bot.sendMessage(chatId, errorText_0) 369 | } 370 | 371 | } else if (context == 'delete') { 372 | // If user is sure about deleting... 373 | if (message.match(/(YES)\s*$/i)) { 374 | // Let's prepare some values passed in stepDataTransferMap (Hashmap) 375 | var rowId = stepDataTransferMap.get(chatId).rowId; 376 | var keywordGroup = stepDataTransferMap.get(chatId).query; 377 | var feed = stepDataTransferMap.get(chatId).feed; 378 | // Now that we've got all the info, let's procede and delete the query 379 | var deleteQuery = "DELETE FROM QUERIES WHERE ID = ? AND Owner = ?;" 380 | db.run(deleteQuery, [rowId, chatId], function(){ 381 | // Reset the conversation 382 | resetConversation(chatId); 383 | // Notify the user with info about deleted query 384 | bot.sendMessage(chatId, "Bye bye to\n" + keywordGroup + "\non feed\n" + feed + ".\nQUERY DELETED!",{ 385 | parse_mode: 'HTML' 386 | }); 387 | }); 388 | // ...if not... 389 | } else if (message.match(/(NO)\s*$/i)) { 390 | // Reset conversation and reassure the user 391 | resetConversation(chatId); 392 | bot.sendMessage(chatId,deleteText_3); 393 | } else { 394 | bot.sendMessage(chatId, errorText_0) 395 | } 396 | } 397 | break; 398 | 399 | case 3: 400 | if (message.match(/[A-Za-z\s0-9]*/)) { 401 | if (context == 'editkeywords' || context == 'editfeed') { 402 | // Choose correct db queries based on what we are editing: 403 | // keywords or feed? 404 | if (context == 'editkeywords'){ 405 | var array = JSON.stringify(message.split(' ')); 406 | var updateQuery = "UPDATE QUERIES SET Keywords = ? WHERE `_rowid_`=? AND Owner = ?;" 407 | var updateQueryParams = [array, stepDataTransferMap.get(chatId).rowId, chatId] 408 | } else if (context == 'editfeed') { 409 | var updateQuery = "UPDATE QUERIES SET FeedURL = ? WHERE `_rowid_`=? AND Owner = ?;" 410 | var updateQueryParams = [message, stepDataTransferMap.get(chatId).rowId, chatId] 411 | } 412 | // Update DB... 413 | db.run(updateQuery, updateQueryParams, function(){ 414 | //...and when we have finished retrieve current modified query data to notify the user 415 | var gUpToDateInfo_Query = "SELECT Keywords as keywordGroup,FeedURL FROM QUERIES WHERE `_rowid_`=? AND Owner = ?" 416 | var gUpToDateInfo_Query_Params = [stepDataTransferMap.get(chatId).rowId,chatId] 417 | db.get(gUpToDateInfo_Query,gUpToDateInfo_Query_Params,function(err,row) { 418 | // Reset the conversation 419 | resetConversation(chatId) 420 | // Notify the user with info about edited query 421 | bot.sendMessage(chatId, "Updated!\n\nCurrent query is\n" + row.keywordGroup + "\non feed\n" + row.FeedURL,{ 422 | parse_mode: 'HTML' 423 | }); 424 | }); 425 | }); 426 | } 427 | } else { 428 | bot.sendMessage(chatId, errorText_0) 429 | } 430 | break; 431 | 432 | default: 433 | bot.sendMessage(chatId, errorText_2); 434 | resetConversation(chatId); 435 | } 436 | } else { 437 | console.log("Denied") 438 | bot.sendMessage(chatId, whitelistDenyText + " chatId: " + chatId) 439 | } 440 | console.log("---".cyan.bold) 441 | }); 442 | 443 | bot.on("callback_query", function(callbackQuery) { 444 | //console.log(callbackQuery); 445 | const data = JSON.parse(callbackQuery.data); 446 | const context = data.context; 447 | const rowId = data.rowId; 448 | const chatId = callbackQuery.from.id; 449 | 450 | console.log("---".cyan.bold) 451 | console.log(chatId + " : Pressed Inline Button\nContext: " + context + '\nFeed ID: ' + rowId) 452 | console.log("C Status:" + convStatusMap.get(chatId)) 453 | 454 | switch (context) { 455 | // Again choosing behavior based on context... 456 | case 'addquery': 457 | // Check if this button can be used at this moment 458 | if (convStatusMap.get(chatId) == 2) { 459 | // Retrieve wanted URL through Feed ID (damn Telegram!!! :P) 460 | var feed_Query = 'SELECT FeedURL FROM QUERIES WHERE ID = ?'; 461 | var feed_Query_Params = [rowId]; 462 | db.get(feed_Query,feed_Query_Params,function(err,row) { 463 | // Once we have the URL we wanted let's store it along with its query, 464 | // reset the conversation and close the callback 465 | resetConversation(chatId) 466 | storeUserQuery(chatId,row.FeedURL); 467 | bot.answerCallbackQuery(callbackQuery.id,null,1) 468 | }); 469 | } else { 470 | // Whoops! This button is not to be used now, 471 | // notify the user and reset the conversation! 472 | bot.answerCallbackQuery(callbackQuery.id,null,1) 473 | bot.sendMessage(chatId, addqueryText_3); 474 | } 475 | break; 476 | 477 | case 'enable': 478 | case 'disable': 479 | // Check if this button can be used at this moment 480 | if (convStatusMap.get(chatId) == 1) { 481 | // Set the correct query wanted status based on passed context: 482 | // we want to set status 0 for disable context, and 1 for enable 483 | var queryWantedStatus = (context == 'enable') ? 1 : 0; 484 | // Get info about the feed we're going to enable/disable, this is needed for 485 | // bot reply message (more explicit) 486 | var gf_Query = 'SELECT Keywords as keywordGroup,FeedURL FROM QUERIES WHERE ID = ?' 487 | var gf_Query_Params = [rowId] 488 | db.get(gf_Query,gf_Query_Params, function(err,row) { 489 | // Now that we've got all the info, let's procede and enable/disable the query 490 | var updateQuery = "UPDATE QUERIES SET `Active`= ? WHERE `_rowid_`=? AND Owner = ?;" 491 | db.run(updateQuery, [queryWantedStatus, rowId, chatId], function(){ 492 | // Reset the conversation and close the callback 493 | bot.answerCallbackQuery(callbackQuery.id,null,1) 494 | resetConversation(chatId) 495 | // Notify the user with info about enabled/disable query 496 | bot.sendMessage(chatId, "Your query\n" + row.keywordGroup + "\non feed\n" + row.FeedURL + "\nwas " + context + "d!",{ 497 | parse_mode: 'HTML' 498 | }); 499 | }); 500 | }); 501 | } else { 502 | // Whoops! This button is not to be used now, 503 | // notify the user and reset the conversation! 504 | bot.answerCallbackQuery(callbackQuery.id,null,1) 505 | bot.sendMessage(chatId, enableDisableText_2 + context); 506 | } 507 | break; 508 | 509 | case 'edit': 510 | // Check if this button can be used at this moment 511 | if (convStatusMap.get(chatId) == 1) { 512 | // Get info about the query we're going to edit, this is needed for 513 | // bot reply message (more explicit) 514 | var gf_Query = 'SELECT Keywords as keywordGroup,FeedURL FROM QUERIES WHERE ID = ?' 515 | var gf_Query_Params = [rowId] 516 | db.get(gf_Query,gf_Query_Params, function(err,row) { 517 | // Set correct conversation step and context 518 | convStatusMap.set(chatId,2); 519 | convContext.set(chatId,context) 520 | // Store target query data in stepDataTransferMap Hashmap 521 | stepDataTransferMap.set(chatId,{ rowId:rowId, query:row.keywordGroup, feed:row.FeedURL }) 522 | // Prepare custom reply keyboard 523 | var keyboard = [['/editkeywords','/editfeed']] 524 | var options = { parse_mode:'HTML' } 525 | // Correctly format current message reply (keyboard) 526 | options.reply_markup = JSON.stringify({ 527 | keyboard: keyboard, 528 | resize_keyboard: true, 529 | hide_keyboard: true 530 | }); 531 | // Close callback query and ask the user if he wants to edit keywords or feed 532 | bot.answerCallbackQuery(callbackQuery.id,null,1) 533 | bot.sendMessage(chatId,'Edit query\n' + row.keywordGroup + '\non feed\n' + row.FeedURL + '\nWhat do you want to edit?', options) 534 | }); 535 | 536 | } else if (convStatusMap.get(chatId) == 3) { 537 | // Get info about the feed we want as new feed for current "in-editing" query 538 | var gf_Query = "SELECT FeedURL FROM QUERIES WHERE `_rowid_`=? AND Owner = ?" 539 | var gf_Query_Params = [rowId,chatId] 540 | db.get(gf_Query,gf_Query_Params,function(err,row){ 541 | // Update DB... 542 | var updateQuery = "UPDATE QUERIES SET FeedURL = ? WHERE `_rowid_`=? AND Owner = ?;" 543 | var updateQueryParams = [row.FeedURL, stepDataTransferMap.get(chatId).rowId, chatId] 544 | db.run(updateQuery, updateQueryParams, function() { 545 | //...and when we have finished retrieve current modified query data to notify the user 546 | var gUpToDateInfo_Query = "SELECT Keywords as keywordGroup,FeedURL FROM QUERIES WHERE `_rowid_`=? AND Owner = ?" 547 | var gUpToDateInfo_Query_Params = [stepDataTransferMap.get(chatId).rowId, chatId] 548 | db.get(gUpToDateInfo_Query, gUpToDateInfo_Query_Params, function(err, row) { 549 | // Reset the conversation and answer callback query 550 | resetConversation(chatId) 551 | bot.answerCallbackQuery(callbackQuery.id,null,1) 552 | // Notify the user with info about edited query 553 | bot.sendMessage(chatId, "Updated!\n\nCurrent query is\n" + row.keywordGroup + "\non feed\n" + row.FeedURL, { 554 | parse_mode: 'HTML' 555 | }); 556 | }); 557 | }); 558 | 559 | }); 560 | } else { 561 | // Whoops! This button is not to be used now, 562 | // notify the user and reset the conversation! 563 | bot.answerCallbackQuery(callbackQuery.id,null,1) 564 | bot.sendMessage(chatId, editText_2 + context); 565 | } 566 | break; 567 | 568 | case 'delete': 569 | // Check if this button can be used at this moment 570 | if (convStatusMap.get(chatId) == 1) { 571 | // Get info about the feed we're going to delete, this is needed for 572 | // bot reply message (more explicit) 573 | var gf_Query = 'SELECT Keywords as keywordGroup,FeedURL FROM QUERIES WHERE ID = ?' 574 | var gf_Query_Params = [rowId] 575 | db.get(gf_Query,gf_Query_Params, function(err,row) { 576 | // Prepare for another conversation step, let's ask the user 577 | // if he's sure to delete the query he selected 578 | convStatusMap.set(chatId,2); 579 | stepDataTransferMap.set(chatId,{ rowId:rowId, query:row.keywordGroup, feed:row.FeedURL }) 580 | convContext.set(chatId,context) 581 | // Prepare custom reply keyboard 582 | var keyboard = [['YES','NO']] 583 | var options = { parse_mode:'HTML'} 584 | // Correctly format current message reply (keyboard) 585 | options.reply_markup = JSON.stringify({ 586 | keyboard: keyboard, 587 | resize_keyboard: true, 588 | one_time_keyboard: false, 589 | hide_keyboard: true 590 | }); 591 | // Close callback query and ask the user to confirm query deletion 592 | bot.answerCallbackQuery(callbackQuery.id,null,1) 593 | bot.sendMessage(chatId,'DELETE query\n' + row.keywordGroup + '\non feed\n' + row.FeedURL + '\nARE YOU SURE?', options) 594 | }); 595 | 596 | } else { 597 | // Whoops! This button is not to be used now, 598 | // notify the user and reset the conversation! 599 | bot.answerCallbackQuery(callbackQuery.id,null,1) 600 | bot.sendMessage(chatId, deleteText_2 + context); 601 | } 602 | break; 603 | } 604 | console.log("---".cyan.bold) 605 | }); 606 | 607 | } 608 | }; -------------------------------------------------------------------------------- /cleanup.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | mkdir .tmp 3 | mv rssnotifier/db.sqlite .tmp/db.sqlite 4 | mv rssnotifier/config.js .tmp/config.js 5 | rm -rf rssnotifier 6 | git clone https://github.com/avivace/rssnotifier 7 | mv .tmp/db.sqlite rssnotifier/db.sqlite 8 | mv .tmp/config.js rssnotifier/config.js 9 | rm -rf .tmp 10 | cd rssnotifier 11 | git update-index --assume-unchanged config.js 12 | git update-index --assume-unchanged db.sqlite 13 | npm install -------------------------------------------------------------------------------- /config.js: -------------------------------------------------------------------------------- 1 | // This file holds instance-depended settings and configurations 2 | var config = module.exports = {} 3 | 4 | // Talk to @BotFather to set up a bot and get the token 5 | config.token = ''; 6 | 7 | // If whitelist_enabled is set to 1, bot will talk only to the chat IDs 8 | // specified in the whitelist array. 9 | config.whitelist_enabled = 0; 10 | config.whitelist = []; 11 | 12 | // Define feed fetching interval in seconds (default: 5 seconds) 13 | config.refreshInterval = 5; -------------------------------------------------------------------------------- /db.sqlite: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/avivace/RSSnotifier/42b9b6325e9cac853064c6eb2098679306942f9f/db.sqlite -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | var request = require('request'), 2 | FeedParser = require('feedparser'), 3 | Iconv = require('iconv').Iconv, 4 | zlib = require('zlib'), 5 | schedule = require('node-schedule'), 6 | sqlite3 = require('sqlite3').verbose(), 7 | HashMap = require('hashmap'), 8 | stripTags = require('striptags'), 9 | colors = require('colors'); 10 | 11 | // TODO: pass api token as env variable 12 | 13 | // Element is in array helper function 14 | var contains = function(needle) { 15 | // Per spec, the way to identify NaN is that it is not equal to itself 16 | var findNaN = needle !== needle; 17 | var indexOf; 18 | if (!findNaN && typeof Array.prototype.indexOf === 'function') { 19 | indexOf = Array.prototype.indexOf; 20 | } else { 21 | indexOf = function(needle) { 22 | var i = -1, 23 | index = -1; 24 | for (i = 0; i < this.length; i++) { 25 | var item = this[i]; 26 | if ((findNaN && item !== item) || item === needle) { 27 | index = i; 28 | break; 29 | } 30 | } 31 | return index; 32 | }; 33 | } 34 | return indexOf.call(this, needle) > -1; 35 | }; 36 | 37 | // Declaring console logging level 38 | // 0: User mode 39 | // 1: Dev mode 40 | var debugLevel = 0; 41 | 42 | var botUI = require('./bot.js'), 43 | config = require('./config.js'); 44 | 45 | const TelegramBot = require('node-telegram-bot-api'); 46 | var db = new sqlite3.Database('db.sqlite'); 47 | 48 | var feeds = new HashMap(); 49 | var cachedFeeds = new HashMap; 50 | // Telegram bot. Polling to fetch new messages 51 | const bot = new TelegramBot(config.token, { 52 | polling: true 53 | }); 54 | // Helper Functions 55 | // Managing console.log based on current debug level 56 | function log() { 57 | // Get all argmuments passed to log() function 58 | // and push them into args array 59 | var args = Array.prototype.slice.call(arguments); 60 | // Pop last element of args array out and set it 61 | // as target debug level 62 | var level = args.pop(); 63 | // If target debug level (of current log() call) is covered by current 64 | // global debug level then log in the console. 65 | if (level <= debugLevel) 66 | console.log.apply(console, args); 67 | } 68 | 69 | // Feed Parsing 70 | function maybeDecompress(res, encoding) { 71 | var decompress; 72 | if (encoding.match(/\bdeflate\b/)) { 73 | decompress = zlib.createInflate(); 74 | } else if (encoding.match(/\bgzip\b/)) { 75 | decompress = zlib.createGunzip(); 76 | } 77 | return decompress ? res.pipe(decompress) : res; 78 | } 79 | 80 | function maybeTranslate(res, charset) { 81 | var iconv; 82 | // Use iconv if its not utf8 already. 83 | if (!iconv && charset && !/utf-*8/i.test(charset)) { 84 | try { 85 | iconv = new Iconv(charset, 'utf-8'); 86 | log('Converting from charset %s to utf-8', charset, 0); 87 | iconv.on('error', done); 88 | // If we're using iconv, stream will be the output of iconv 89 | // otherwise it will remain the output of request 90 | res = res.pipe(iconv); 91 | } catch (err) { 92 | res.emit('error', err); 93 | } 94 | } 95 | return res; 96 | } 97 | 98 | function getParams(str) { 99 | var params = str.split(';').reduce(function(params, param) { 100 | var parts = param.split('=').map(function(part) { 101 | return part.trim(); 102 | }); 103 | if (parts.length === 2) { 104 | params[parts[0]] = parts[1]; 105 | } 106 | return params; 107 | }, {}); 108 | return params; 109 | } 110 | 111 | function getNewElements(url) { 112 | var newElements = []; 113 | var Feed = feeds.get(url) 114 | 115 | log(cachedFeeds.get(url), 1) 116 | if (cachedFeeds.get(url)) { 117 | Feed.forEach(function(post) { 118 | if (!contains.call(cachedFeeds.get(url), post.title)) 119 | newElements.push(post) 120 | }); 121 | if (newElements.length > 0) { 122 | cachedFeeds.set(url, new Array()); 123 | Feed.forEach(function(post) { 124 | cachedFeeds.get(url).push(post.title); 125 | }) 126 | log("Feed updated, " + newElements.length.toString().inverse + " new elements", 0) 127 | } 128 | else { 129 | log("No updates", 0) 130 | } 131 | } 132 | else { 133 | cachedFeeds.set(url, new Array()); 134 | Feed.forEach(function(post) { 135 | cachedFeeds.get(url).push(post.title); 136 | }) 137 | log("Initialized".inverse +" a new feed", 0) 138 | } 139 | 140 | return newElements; 141 | } 142 | 143 | // contains.call(config.whitelist, chatId)) 144 | // Serious shit 145 | function getFeeds() { 146 | // Retrieve all the unique feed URLs, and fetch each of them 147 | var gf_Query = 'SELECT DISTINCT FeedURL from QUERIES where Active = ?'; 148 | var gf_Query_Params = [1]; 149 | db.all(gf_Query, gf_Query_Params, function(error, rows) { 150 | if (rows.length == 0) log("No feeds", 0) 151 | log(rows.length.toString().inverse + " feed(s) to parse", 0) 152 | rows.forEach(function(row) { 153 | // Try to fetch current URL and handle errors or bad response status codes 154 | fetch(row.FeedURL); 155 | }); 156 | }); 157 | } 158 | 159 | function match(post, queryKeywords, chatId) { 160 | // Parse current query element into an Object 161 | var queryKeywords = JSON.parse(queryKeywords); 162 | // Declare the match valid in advance 163 | var matchStillValid = true; 164 | var title = post["rss:title"]["#"]; 165 | // For each keyword of current query test the match with Feed Title 166 | for (var keyword in queryKeywords) { 167 | // Build a new regular expression with current keyword to pass it 168 | // "i" flag for case-insensitive check 169 | var re = new RegExp(queryKeywords[keyword], 'i'); 170 | // Test the match for current keyword 171 | var match = title.match(re) ? true : false; 172 | // If even a single keyword does not pass the test make the entire 173 | // query useless 174 | if (match == false) { 175 | matchStillValid = false; 176 | } 177 | } 178 | // Every keyword matched 179 | if (matchStillValid) { 180 | // TODO: prevalid Feed-relative hardcoded values and avoid composing 181 | // the notification message with invalid ones 182 | log("Matched!", 0) 183 | // Stripping HTML code from description to avoid Telegram complaining, 184 | // it possibly needs addition of allowed tags 185 | var description = stripTags(post["rss:description"]["#"]); 186 | var link = post["rss:link"]["#"] 187 | log("Matched " + title + ".Sending notification to " + chatId + ".", 0) 188 | bot.sendMessage(chatId, "New match! \n" + title + "\n" + description + "\n" + link, { 189 | parse_mode: "HTML" 190 | }) 191 | } 192 | } 193 | 194 | function fetch(url) { 195 | // Watch out for any error raised during fetching/parsing process 196 | try { 197 | // Stream definitions 198 | var req = request(url, { 199 | timeout: 10000, 200 | pool: false 201 | }); 202 | // Some feeds do not respond without user-agent and accept headers. 203 | req.setMaxListeners(50); 204 | req.setHeader('user-agent', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36'); 205 | req.setHeader('accept', 'text/html,application/xhtml+xml'); 206 | // HANDLERS 207 | // Handle request error 208 | req.on('error', function(err) { 209 | log('ERROR:', err.code, 'on', url, '- Not a valid URL - Aborting feed...\n', 0) 210 | }); 211 | // Handle bad response status codes and, in case of status code 200, go on parsing the feed 212 | req.on('response', function(res) { 213 | switch (res.statusCode) { 214 | case 500: 215 | log('ERROR: Status Code', res.statusCode, '- INTERNAL SERVER ERROR on', url, '- Aborting feed...\n', 0); 216 | break; 217 | case 404: 218 | log('ERROR: Status Code', res.statusCode, '- FEED NOT FOUND on', url, '- Aborting feed...\n', 0); 219 | break; 220 | case 200: 221 | // No request error, fetch the feed and try parsing it! 222 | //fetch(url, res); 223 | var feedparser = new FeedParser(); 224 | var encoding = res.headers['content-encoding'] || 'identity', 225 | charset = getParams(res.headers['content-type'] || '').charset; 226 | // res = maybeDecompress(res, encoding); 227 | res = maybeTranslate(res, charset); 228 | res.pipe(feedparser); 229 | feedparser.on('error', feedParseDone); 230 | 231 | // Select every active query (and its owner) for current feed 232 | var rq_Query = 'SELECT Owner, Keywords AS keywordGroup FROM QUERIES where FeedURL = ? AND Active = ?'; 233 | var rq_Query_Params = [url, 1]; 234 | db.all(rq_Query, rq_Query_Params, function(error, rows) { 235 | log(rows, 1) 236 | log("Fetching " + url.italic + " and checking " + rows.length.toString().inverse + " queries", 0) 237 | 238 | feeds.set(url, new Array()); 239 | feedparser.on('readable', function() { 240 | var post; 241 | while (post = this.read()) { 242 | feeds.get(url).push(post); 243 | } 244 | 245 | }); 246 | feedparser.on('end', function(){ 247 | log("Feed " + url + "ready. Checking new elements", 1) 248 | log(feeds.get(url), 1) 249 | log(rows, 1) 250 | 251 | log(feeds.get(url)[0], 1) 252 | var newElements = getNewElements(url); 253 | log(newElements, 1) 254 | newElements.forEach(function(element){ 255 | rows.forEach(function(row) { 256 | if (row.keywordGroup != "Everything"){ 257 | match(element, row.keywordGroup, row.Owner); 258 | } 259 | else { 260 | var title = element["rss:title"]["#"]; 261 | var description = stripTags(element["rss:description"]["#"]); 262 | var link = element["rss:link"]["#"] 263 | bot.sendMessage(row.Owner, title + "\n" + description + "\n" + link, { parse_mode: "HTML" }) 264 | // Add source feed link? maybe the domain 265 | } 266 | 267 | }); 268 | }); 269 | }); 270 | }); 271 | break; 272 | } 273 | }); 274 | } catch (err) { 275 | log('ERROR:', err.message, '- Aborting feed...\n', 0); 276 | } 277 | } 278 | // Called on request error, feedparser error or end and manually when we're 279 | // skipping the feed processing 280 | function feedParseDone(err, rows) { 281 | log(rows, 1) 282 | if (err) { 283 | log('Error on feed...', 0); 284 | log(err, err.stack, 1); 285 | } 286 | } 287 | // DO THINGS 288 | log('RSS Notifier started'.green.bold, 0); // outputs green text 289 | 290 | // Bot up and running 291 | botUI.start(db, bot, config, HashMap) 292 | // Run the entire thing every "n" seconds (5 by default, you can change it in config file) 293 | var job = schedule.scheduleJob('*/' + config.refreshInterval + ' * * * * *', function() { 294 | getFeeds(); 295 | }); 296 | // TODO: different refresh time for specific feed urls? 297 | // TODO: Allow user to receive notification as digests in specific time 298 | // TODO: Some kind of exception handling? 299 | // TODO: Make code decent, 78-80 columns -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "rssnotifier", 3 | "version": "0.2.0", 4 | "description": "A resident RSS scanner looking for matching entries", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "node index.js" 8 | }, 9 | "repository": { 10 | "type": "git", 11 | "url": "git+https://github.com/avivace/rssnotifier.git" 12 | }, 13 | "author": "", 14 | "license": "GPL-3.0", 15 | "bugs": { 16 | "url": "https://github.com/avivace/rssnotifier/issues" 17 | }, 18 | "homepage": "https://github.com/avivace/rssnotifier#readme", 19 | "devDependencies": { 20 | "colors": "^1.1.2", 21 | "feedparser": "^2.2.0", 22 | "hashmap": "^2.1.0", 23 | "iconv": "^2.2.3", 24 | "node-schedule": "^1.2.1", 25 | "node-telegram-bot-api": "^0.27.1", 26 | "request": "^2.81.0", 27 | "sqlite3": "^4.0.9", 28 | "striptags": "^3.0.1" 29 | } 30 | } 31 | --------------------------------------------------------------------------------