commit dd9aea8cbdabc7622446d387ed6ed59e47b79de7
parent fce7962691a0f5874753cad431a8bb6ed31efc69
Author: Sergey M․ <dstftw@gmail.com>
Date:   Wed, 11 Apr 2018 01:25:41 +0700

[instagram:user] Add request signing (closes #16119)

Diffstat:
Myoutube_dl/extractor/instagram.py | 161+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 149 insertions(+), 12 deletions(-)

diff --git a/youtube_dl/extractor/instagram.py b/youtube_dl/extractor/instagram.py @@ -2,14 +2,20 @@ from __future__ import unicode_literals import itertools import json +import os import re +import subprocess +import tempfile from .common import InfoExtractor from ..compat import compat_str from ..utils import ( + check_executable, + ExtractorError, get_element_by_attribute, int_or_none, lowercase_escape, + std_headers, try_get, ) @@ -238,24 +244,140 @@ class InstagramUserIE(InfoExtractor): } } - def _entries(self, uploader_id): + _SIGN_CODE = ''' +"use strict"; +function i(e, t) { + var r = (65535 & e) + (65535 & t); + return (e >> 16) + (t >> 16) + (r >> 16) << 16 | 65535 & r +} +function a(e, t, r, n, o, a) { + return i((s = i(i(t, e), i(n, a))) << (c = o) | s >>> 32 - c, r); + var s, c +} +function s(e, t, r, n, o, i, s) { + return a(t & r | ~t & n, e, t, o, i, s) +} +function c(e, t, r, n, o, i, s) { + return a(t & n | r & ~n, e, t, o, i, s) +} +function u(e, t, r, n, o, i, s) { + return a(t ^ r ^ n, e, t, o, i, s) +} +function l(e, t, r, n, o, i, s) { + return a(r ^ (t | ~n), e, t, o, i, s) +} +function p(e, t) { + var r, n, o, a, p; + e[t >> 5] |= 128 << t % 32, + e[14 + (t + 64 >>> 9 << 4)] = t; + var d = 1732584193 + , f = -271733879 + , h = -1732584194 + , g = 271733878; + for (r = 0; r < e.length; r += 16) + n = d, + o = f, + a = h, + p = g, + f = l(f = l(f = l(f = l(f = u(f = u(f = u(f = u(f = c(f = c(f = c(f = c(f = s(f = s(f = s(f = s(f, h = s(h, g = s(g, d = s(d, f, h, g, e[r], 7, -680876936), f, h, e[r + 1], 12, -389564586), d, f, e[r + 2], 17, 606105819), g, d, e[r + 3], 22, -1044525330), h = s(h, g = s(g, d = s(d, f, h, g, e[r + 4], 7, -176418897), f, h, e[r + 5], 12, 1200080426), d, f, e[r + 6], 17, -1473231341), g, d, e[r + 7], 22, -45705983), h = s(h, g = s(g, d = s(d, f, h, g, e[r + 8], 7, 1770035416), f, h, e[r + 9], 12, -1958414417), d, f, e[r + 10], 17, -42063), g, d, e[r + 11], 22, -1990404162), h = s(h, g = s(g, d = s(d, f, h, g, e[r + 12], 7, 1804603682), f, h, e[r + 13], 12, -40341101), d, f, e[r + 14], 17, -1502002290), g, d, e[r + 15], 22, 1236535329), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 1], 5, -165796510), f, h, e[r + 6], 9, -1069501632), d, f, e[r + 11], 14, 643717713), g, d, e[r], 20, -373897302), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 5], 5, -701558691), f, h, e[r + 10], 9, 38016083), d, f, e[r + 15], 14, -660478335), g, d, e[r + 4], 20, -405537848), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 9], 5, 568446438), f, h, e[r + 14], 9, -1019803690), d, f, e[r + 3], 14, -187363961), g, d, e[r + 8], 20, 1163531501), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 13], 5, -1444681467), f, h, e[r + 2], 9, -51403784), d, f, e[r + 7], 14, 1735328473), g, d, e[r + 12], 20, -1926607734), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 5], 4, -378558), f, h, e[r + 8], 11, -2022574463), d, f, e[r + 11], 16, 1839030562), g, d, e[r + 14], 23, -35309556), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 1], 4, -1530992060), f, h, e[r + 4], 11, 1272893353), d, f, e[r + 7], 16, -155497632), g, d, e[r + 10], 23, -1094730640), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 13], 4, 681279174), f, h, e[r], 11, -358537222), d, f, e[r + 3], 16, -722521979), g, d, e[r + 6], 23, 76029189), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 9], 4, -640364487), f, h, e[r + 12], 11, -421815835), d, f, e[r + 15], 16, 530742520), g, d, e[r + 2], 23, -995338651), h = l(h, g = l(g, d = l(d, f, h, g, e[r], 6, -198630844), f, h, e[r + 7], 10, 1126891415), d, f, e[r + 14], 15, -1416354905), g, d, e[r + 5], 21, -57434055), h = l(h, g = l(g, d = l(d, f, h, g, e[r + 12], 6, 1700485571), f, h, e[r + 3], 10, -1894986606), d, f, e[r + 10], 15, -1051523), g, d, e[r + 1], 21, -2054922799), h = l(h, g = l(g, d = l(d, f, h, g, e[r + 8], 6, 1873313359), f, h, e[r + 15], 10, -30611744), d, f, e[r + 6], 15, -1560198380), g, d, e[r + 13], 21, 1309151649), h = l(h, g = l(g, d = l(d, f, h, g, e[r + 4], 6, -145523070), f, h, e[r + 11], 10, -1120210379), d, f, e[r + 2], 15, 718787259), g, d, e[r + 9], 21, -343485551), + d = i(d, n), + f = i(f, o), + h = i(h, a), + g = i(g, p); + return [d, f, h, g] +} +function d(e) { + var t, r = "", n = 32 * e.length; + for (t = 0; t < n; t += 8) + r += String.fromCharCode(e[t >> 5] >>> t % 32 & 255); + return r +} +function f(e) { + var t, r = []; + for (r[(e.length >> 2) - 1] = void 0, + t = 0; t < r.length; t += 1) + r[t] = 0; + var n = 8 * e.length; + for (t = 0; t < n; t += 8) + r[t >> 5] |= (255 & e.charCodeAt(t / 8)) << t % 32; + return r +} +function h(e) { + var t, r, n = ""; + for (r = 0; r < e.length; r += 1) + t = e.charCodeAt(r), + n += "0123456789abcdef".charAt(t >>> 4 & 15) + "0123456789abcdef".charAt(15 & t); + return n +} +function g(e) { + return unescape(encodeURIComponent(e)) +} +function b(e) { + return function(e) { + return d(p(f(e), 8 * e.length)) + }(g(e)) +} +function m(e, t) { + return function(e, t) { + var r, n, o = f(e), i = [], a = []; + for (i[15] = a[15] = void 0, + o.length > 16 && (o = p(o, 8 * e.length)), + r = 0; r < 16; r += 1) + i[r] = 909522486 ^ o[r], + a[r] = 1549556828 ^ o[r]; + return n = p(i.concat(f(t)), 512 + 8 * t.length), + d(p(a.concat(n), 640)) + }(g(e), g(t)) +} +function v(e, t, r) { + return t ? r ? m(t, e) : h(m(t, e)) : r ? b(e) : h(b(e)) +} +function sign(s) { + return v(s); +} +''' + + def _entries(self, data): def get_count(suffix): return int_or_none(try_get( node, lambda x: x['edge_media_' + suffix]['count'])) + uploader_id = data['entry_data']['ProfilePage'][0]['graphql']['user']['id'] + csrf_token = data['config']['csrf_token'] + rhx_gis = data.get('rhx_gis') or '3c7ca9dcefcf966d11dacf1f151335e8' + self._set_cookie('instagram.com', 'ig_pr', '1') + def sign(s): + js_code = self._SIGN_CODE + "console.log(sign('%s')); phantom.exit();" % s + with open(self._phantomjs_script.name, 'w') as f: + f.write(js_code) + p = subprocess.Popen( + ['phantomjs', '--ssl-protocol=any', f.name], + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + gis, err = p.communicate() + if p.returncode != 0: + raise ExtractorError('Failed to sign request\n:' + err.decode('utf-8')) + return gis.decode('utf-8').strip() + cursor = '' for page_num in itertools.count(1): + variables = json.dumps({ + 'id': uploader_id, + 'first': 100, + 'after': cursor, + }) + gis = sign( + '%s:%s:%s:%s' + % (rhx_gis, csrf_token, std_headers['User-Agent'], variables)) media = self._download_json( 'https://www.instagram.com/graphql/query/', uploader_id, - 'Downloading JSON page %d' % page_num, query={ + 'Downloading JSON page %d' % page_num, headers={ + 'X-Requested-With': 'XMLHttpRequest', + 'X-Instagram-GIS': gis, + }, query={ 'query_hash': '472f257a40c653c64c666ce877d59d2b', - 'variables': json.dumps({ - 'id': uploader_id, - 'first': 100, - 'after': cursor, - }) + 'variables': variables, })['data']['user']['edge_owner_to_timeline_media'] edges = media.get('edges') @@ -309,11 +431,26 @@ class InstagramUserIE(InfoExtractor): if not cursor or not isinstance(cursor, compat_str): break + def _real_initialize(self): + if not check_executable('phantomjs', ['-v']): + raise ExtractorError( + 'PhantomJS executable not found in PATH, download it from http://phantomjs.org', + expected=True) + self._phantomjs_script = tempfile.NamedTemporaryFile(delete=False) + self._phantomjs_script.close() + + def __del__(self): + os.unlink(self._phantomjs_script.name) + def _real_extract(self, url): username = self._match_id(url) - uploader_id = self._download_json( - 'https://instagram.com/%s/' % username, username, query={ - '__a': 1, - })['graphql']['user']['id'] + + webpage = self._download_webpage(url, username) + + data = self._parse_json( + self._search_regex( + r'sharedData\s*=\s*({.+?})\s*;\s*[<\n]', webpage, 'data'), + username) + return self.playlist_result( - self._entries(uploader_id), username, username) + self._entries(data), username, username)