aboutsummaryrefslogtreecommitdiff
path: root/src/plugins/Fourchan.cpp
blob: 34cb8bf444d4cf227e713cf35ed422374951d713 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
#include "../../plugins/Fourchan.hpp"
#include "../../include/DataView.hpp"
#include "../../include/Storage.hpp"
#include "../../include/StringUtils.hpp"
#include "../../include/NetUtils.hpp"
#include <json/reader.h>
#include <string.h>
#include <tidy.h>
#include <tidybuffio.h>

// API documentation: https://github.com/4chan/4chan-API

static const std::string fourchan_url = "https://a.4cdn.org/";
static const std::string fourchan_image_url = "https://i.4cdn.org/";

static const char *SERVICE_NAME = "4chan";

namespace QuickMedia {
    // Returns empty string on failure to read cookie
    static std::string get_pass_id_from_cookies_file(const Path &cookies_filepath) {
        std::string file_content;
        if(file_get_content(cookies_filepath, file_content) != 0)
            return "";

        size_t pass_id_index = file_content.find("pass_id");
        if(pass_id_index == std::string::npos)
            return "";

        pass_id_index += 7;
        size_t line_end = file_content.find('\n', pass_id_index);
        if(line_end == std::string::npos)
            line_end = file_content.size();

        return strip(file_content.substr(pass_id_index, line_end - pass_id_index));
    }

    struct CommentPiece {
        enum class Type {
            TEXT,
            QUOTE, // >
            QUOTELINK, // >>POSTNO,
            LINE_CONTINUE
        };

        DataView text; // Set when type is TEXT, QUOTE or QUOTELINK
        int64_t quote_postnumber = 0; // Set when type is QUOTELINK
        Type type;
    };

    static TidyAttr get_attribute_by_name(TidyNode node, const char *name) {
        for(TidyAttr attr = tidyAttrFirst(node); attr; attr = tidyAttrNext(attr)) {
            const char *attr_name = tidyAttrName(attr);
            if(attr_name && strcmp(name, attr_name) == 0)
                return attr;
        }
        return nullptr;
    }

    static const char* get_attribute_value(TidyNode node, const char *name) {
        TidyAttr attr = get_attribute_by_name(node, name);
        if(attr)
            return tidyAttrValue(attr);
        return nullptr;
    }

    static void lstrip_newline(const char *str, size_t size, const char **output_str, size_t *output_size) {
        size_t i = 0;
        while(i < size && str[i] == '\n') {
            ++i;
        }
        *output_str = str + i;
        *output_size = size - i;
    }

    static void rstrip_newline(const char *str, size_t size, size_t *output_size) {
        ssize_t i = size - 1;
        while(i >= 0 && str[i] == '\n') {
            --i;
        }
        *output_size = i + 1;
    }

    static void strip_newline(const char *str, size_t size, const char **output_str, size_t *output_size) {
        lstrip_newline(str, size, output_str, output_size);
        rstrip_newline(*output_str, *output_size, output_size);
    }

    using CommentPieceCallback = std::function<void(const CommentPiece&)>;
    static int extract_comment_pieces(TidyDoc doc, TidyNode node, CommentPieceCallback &callback) {
        for(TidyNode child = tidyGetChild(node); child; child = tidyGetNext(child)) {
            const char *node_name = tidyNodeGetName(child);
            if(node_name) {
                if(strcmp(node_name, "br") == 0) {
                    CommentPiece comment_piece;
                    comment_piece.type = CommentPiece::Type::TEXT;
                    // Warning: Cast from const char* to char* ...
                    comment_piece.text = { (char*)"\n", 1 };
                    callback(comment_piece);
                /*} else if(strcmp(node_name, "span") == 0) {
                    const char *span_class = get_attribute_value(child, "class");
                    //fprintf(stderr, "span class: %s\n", span_class);
                    if(span_class && strcmp(span_class, "quote") == 0) {
                        CommentPiece comment_piece;
                        comment_piece.type = CommentPiece::Type::QUOTE;
                        // Warning: Cast from const char* to char* ...
                        comment_piece.text = { (char*)"\n", 1 };
                        callback(comment_piece);
                    }*/
                }
            }

            if(tidyNodeGetType(child) == TidyNode_Text) {
                TidyBuffer tidy_buffer;
                tidyBufInit(&tidy_buffer);
                if(tidyNodeGetText(doc, child, &tidy_buffer)) {
                    const char *inner_text = (const char*)tidy_buffer.bp;
                    size_t inner_text_size = tidy_buffer.size;
                    strip_newline(inner_text, inner_text_size, &inner_text, &inner_text_size);

                    const char *node_name = tidyNodeGetName(node);
                    if(node_name && strcmp(node_name, "a") == 0) {
                        const char *a_class = get_attribute_value(node, "class");
                        const char *a_href = get_attribute_value(node, "href");
                        if(a_class && a_href && strcmp(a_class, "quotelink") == 0 && strncmp(a_href, "#p", 2) == 0) {
                            CommentPiece comment_piece;
                            comment_piece.type = CommentPiece::Type::QUOTELINK;
                            comment_piece.quote_postnumber = strtoll(a_href + 2, nullptr, 10);
                            // Warning: Cast from const char* to char* ...
                            comment_piece.text = { (char*)inner_text, inner_text_size };
                            callback(comment_piece);
                            tidyBufFree(&tidy_buffer);
                            continue;
                        }
                    }

                    CommentPiece comment_piece;
                    comment_piece.type = CommentPiece::Type::TEXT;
                    // Warning: Cast from const char* to char* ...
                    comment_piece.text = { (char*)inner_text, inner_text_size };
                    callback(comment_piece);
                }
                tidyBufFree(&tidy_buffer);
            } else {
                int res = extract_comment_pieces(doc, child, callback);
                if(res != 0)
                    return res;
            }
        }
        return 0;
    }

    static void extract_comment_pieces(const char *html_source, size_t size, CommentPieceCallback callback) {
        TidyDoc doc = tidyCreate();
        tidyOptSetBool(doc, TidyShowWarnings, no);
        tidyOptSetBool(doc, TidyUseCustomTags, yes);
        tidyOptSetInt(doc, TidyWrapLen, 0);
        if(tidyParseString(doc, html_source) < 0) {
            CommentPiece comment_piece;
            comment_piece.type = CommentPiece::Type::TEXT;
            // Warning: Cast from const char* to char* ...
            comment_piece.text = { (char*)html_source, size };
            callback(comment_piece);
        } else {
            extract_comment_pieces(doc, tidyGetRoot(doc), callback);
        }
        tidyRelease(doc);
    }

    PluginResult FourchanBoardsPage::submit(const std::string &title, const std::string &url, std::vector<Tab> &result_tabs) {
        result_tabs.push_back(Tab{create_body(), std::make_unique<FourchanThreadListPage>(program, title, url), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        return PluginResult::OK;
    }

    void FourchanBoardsPage::get_boards(BodyItems &result_items) {
        std::string server_response;
        if(file_get_content(resources_root + "boards.json", server_response) != 0) {
            fprintf(stderr, "failed to read boards.json\n");
            return;
        }

        Json::Value json_root;
        Json::CharReaderBuilder json_builder;
        std::unique_ptr<Json::CharReader> json_reader(json_builder.newCharReader());
        std::string json_errors;
        if(!json_reader->parse(server_response.data(), server_response.data() + server_response.size(), &json_root, &json_errors)) {
            fprintf(stderr, "4chan front page json error: %s\n", json_errors.c_str());
            return;
        }

        if(!json_root.isObject())
            return;

        const Json::Value &boards = json_root["boards"];
        if(!boards.isArray())
            return;

        for(const Json::Value &board : boards) {
            const Json::Value &board_id = board["board"]; // /g/, /a/, /b/ etc
            const Json::Value &board_title = board["title"];
            const Json::Value &board_description = board["meta_description"];
            if(board_id.isString() && board_title.isString() && board_description.isString()) {
                std::string board_description_str = board_description.asString();
                html_unescape_sequences(board_description_str);
                auto body_item = BodyItem::create("/" + board_id.asString() + "/ " + board_title.asString());
                body_item->url = board_id.asString();
                result_items.push_back(std::move(body_item));
            }
        }
    }

    // TODO: Merge with lazy fetch
    PluginResult FourchanThreadListPage::submit(const std::string&, const std::string &url, std::vector<Tab> &result_tabs) {
        Json::Value json_root;
        DownloadResult result = download_json(json_root, fourchan_url + board_id + "/thread/" + url + ".json", {}, true);
        if(result != DownloadResult::OK) return download_result_to_plugin_result(result);

        if(!json_root.isObject())
            return PluginResult::ERR;

        BodyItems result_items;
        std::unordered_map<int64_t, size_t> comment_by_postno;

        const Json::Value &posts = json_root["posts"];
        if(!posts.isArray())
            return PluginResult::OK;

        for(const Json::Value &post : posts) {
            if(!post.isObject())
                continue;

            const Json::Value &post_num = post["no"];
            if(!post_num.isNumeric())
                continue;
            
            int64_t post_num_int = post_num.asInt64();
            comment_by_postno[post_num_int] = result_items.size();
            result_items.push_back(BodyItem::create(""));
            result_items.back()->post_number = std::to_string(post_num_int);
        }

        size_t body_item_index = 0;
        for(const Json::Value &post : posts) {
            if(!post.isObject())
                continue;

            const Json::Value &sub = post["sub"];
            const char *sub_begin = "";
            const char *sub_end = sub_begin;
            sub.getString(&sub_begin, &sub_end);

            const Json::Value &com = post["com"];
            const char *comment_begin = "";
            const char *comment_end = comment_begin;
            com.getString(&comment_begin, &comment_end);

            const Json::Value &post_num = post["no"];
            if(!post_num.isNumeric())
                continue;

            const Json::Value &author = post["name"];
            std::string author_str = "Anonymous";
            if(author.isString())
                author_str = author.asString();

            std::string comment_text;
            extract_comment_pieces(sub_begin, sub_end - sub_begin,
                [&comment_text](const CommentPiece &cp) {
                    switch(cp.type) {
                        case CommentPiece::Type::TEXT:
                            comment_text.append(cp.text.data, cp.text.size);
                            break;
                        case CommentPiece::Type::QUOTE:
                            //comment_text += '>';
                            //comment_text.append(cp.text.data, cp.text.size);
                            //comment_text += '\n';
                            break;
                        case CommentPiece::Type::QUOTELINK: {
                            comment_text.append(cp.text.data, cp.text.size);
                            break;
                        }
                        case CommentPiece::Type::LINE_CONTINUE: {
                            if(!comment_text.empty() && comment_text.back() == '\n') {
                                comment_text.pop_back();
                            }
                            break;
                        }
                    }
                }
            );
            if(!comment_text.empty())
                comment_text += '\n';
            extract_comment_pieces(comment_begin, comment_end - comment_begin,
                [&comment_text, &comment_by_postno, &result_items, body_item_index](const CommentPiece &cp) {
                    switch(cp.type) {
                        case CommentPiece::Type::TEXT:
                            comment_text.append(cp.text.data, cp.text.size);
                            break;
                        case CommentPiece::Type::QUOTE:
                            //comment_text += '>';
                            //comment_text.append(cp.text.data, cp.text.size);
                            //comment_text += '\n';
                            break;
                        case CommentPiece::Type::QUOTELINK: {
                            comment_text.append(cp.text.data, cp.text.size);
                            auto it = comment_by_postno.find(cp.quote_postnumber);
                            if(it == comment_by_postno.end()) {
                                // TODO: Link this quote to a 4chan archive that still has the quoted comment (if available)
                                comment_text += "(dead)";
                            } else {
                                result_items[it->second]->replies.push_back(body_item_index);
                            }
                            break;
                        }
                        case CommentPiece::Type::LINE_CONTINUE: {
                            if(!comment_text.empty() && comment_text.back() == '\n') {
                                comment_text.pop_back();
                            }
                            break;
                        }
                    }
                }
            );
            if(!comment_text.empty() && comment_text.back() == '\n')
                comment_text.back() = ' ';
            html_unescape_sequences(comment_text);
            BodyItem *body_item = result_items[body_item_index].get();
            body_item->set_title(std::move(comment_text));
            body_item->set_author(std::move(author_str));

            const Json::Value &ext = post["ext"];
            const Json::Value &tim = post["tim"];
            if(tim.isNumeric() && ext.isString()) {
                std::string ext_str = ext.asString();
                if(ext_str == ".png" || ext_str == ".jpg" || ext_str == ".jpeg" || ext_str == ".webm" || ext_str == ".mp4" || ext_str == ".gif") {
                } else {
                    fprintf(stderr, "TODO: Support file extension: %s\n", ext_str.c_str());
                }
                // "s" means small, that's the url 4chan uses for thumbnails.
                // thumbnails always has .jpg extension even if they are gifs or webm.
                std::string tim_str = std::to_string(tim.asInt64());
                body_item->thumbnail_url = fourchan_image_url + board_id + "/" + tim_str + "s.jpg";
                body_item->url = fourchan_image_url + board_id + "/" + tim_str + ext_str;

                sf::Vector2i thumbnail_size(64, 64);
                const Json::Value &tn_w = post["tn_w"];
                const Json::Value &tn_h = post["tn_h"];
                if(tn_w.isNumeric() && tn_h.isNumeric())
                    thumbnail_size = sf::Vector2i(tn_w.asInt(), tn_h.asInt());
                body_item->thumbnail_size = std::move(thumbnail_size);
            }
            
            ++body_item_index;
        }

        auto body = create_body();
        body->items = std::move(result_items);
        result_tabs.push_back(Tab{std::move(body), std::make_unique<FourchanThreadPage>(program, board_id, url), nullptr});
        return PluginResult::OK;
    }

    PluginResult FourchanThreadListPage::lazy_fetch(BodyItems &result_items) {
        Json::Value json_root;
        DownloadResult result = download_json(json_root, fourchan_url + board_id + "/catalog.json?s=Index", {}, true);
        if(result != DownloadResult::OK) return download_result_to_plugin_result(result);

        if(!json_root.isArray())
            return PluginResult::ERR;

        for(const Json::Value &page_data : json_root) {
            if(!page_data.isObject())
                continue;

            const Json::Value &threads = page_data["threads"];
            if(!threads.isArray())
                continue;

            for(const Json::Value &thread : threads) {
                if(!thread.isObject())
                    continue;

                const Json::Value &sub = thread["sub"];
                const char *sub_begin = "";
                const char *sub_end = sub_begin;
                sub.getString(&sub_begin, &sub_end);

                const Json::Value &com = thread["com"];
                const char *comment_begin = "";
                const char *comment_end = comment_begin;
                com.getString(&comment_begin, &comment_end);

                const Json::Value &thread_num = thread["no"];
                if(!thread_num.isNumeric())
                    continue;

                std::string title_text;
                extract_comment_pieces(sub_begin, sub_end - sub_begin,
                    [&title_text](const CommentPiece &cp) {
                        switch(cp.type) {
                            case CommentPiece::Type::TEXT:
                                title_text.append(cp.text.data, cp.text.size);
                                break;
                            case CommentPiece::Type::QUOTE:
                                //title_text += '>';
                                //title_text.append(cp.text.data, cp.text.size);
                                //comment_text += '\n';
                                break;
                            case CommentPiece::Type::QUOTELINK: {
                                title_text.append(cp.text.data, cp.text.size);
                                break;
                            }
                            case CommentPiece::Type::LINE_CONTINUE: {
                                if(!title_text.empty() && title_text.back() == '\n') {
                                    title_text.pop_back();
                                }
                                break;
                            }
                        }
                    }
                );
                if(!title_text.empty() && title_text.back() == '\n')
                    title_text.back() = ' ';
                html_unescape_sequences(title_text);

                std::string comment_text;
                extract_comment_pieces(comment_begin, comment_end - comment_begin,
                    [&comment_text](const CommentPiece &cp) {
                        switch(cp.type) {
                            case CommentPiece::Type::TEXT:
                                comment_text.append(cp.text.data, cp.text.size);
                                break;
                            case CommentPiece::Type::QUOTE:
                                //comment_text += '>';
                                //comment_text.append(cp.text.data, cp.text.size);
                                //comment_text += '\n';
                                break;
                            case CommentPiece::Type::QUOTELINK: {
                                comment_text.append(cp.text.data, cp.text.size);
                                break;
                            }
                            case CommentPiece::Type::LINE_CONTINUE: {
                                if(!comment_text.empty() && comment_text.back() == '\n') {
                                    comment_text.pop_back();
                                }
                                break;
                            }
                        }
                    }
                );
                html_unescape_sequences(comment_text);
                // TODO: Do the same when wrapping is implemented
                // TODO: Remove this
                int num_lines = 0;
                for(size_t i = 0; i < comment_text.size(); ++i) {
                    if(comment_text[i] == '\n') {
                        ++num_lines;
                        if(num_lines == 6) {
                            comment_text = comment_text.substr(0, i) + " (...)";
                            break;
                        }
                    }
                }
                auto body_item = BodyItem::create(std::move(comment_text));
                body_item->set_author(std::move(title_text));
                body_item->url = std::to_string(thread_num.asInt64());

                const Json::Value &ext = thread["ext"];
                const Json::Value &tim = thread["tim"];
                if(tim.isNumeric() && ext.isString()) {
                    std::string ext_str = ext.asString();
                    if(ext_str == ".png" || ext_str == ".jpg" || ext_str == ".jpeg" || ext_str == ".webm" || ext_str == ".mp4" || ext_str == ".gif") {
                    } else {
                        fprintf(stderr, "TODO: Support file extension: %s\n", ext_str.c_str());
                    }
                    // "s" means small, that's the url 4chan uses for thumbnails.
                    // thumbnails always has .jpg extension even if they are gifs or webm.
                    body_item->thumbnail_url = fourchan_image_url + board_id + "/" + std::to_string(tim.asInt64()) + "s.jpg";

                    sf::Vector2i thumbnail_size(64, 64);
                    const Json::Value &tn_w = thread["tn_w"];
                    const Json::Value &tn_h = thread["tn_h"];
                    if(tn_w.isNumeric() && tn_h.isNumeric())
                        thumbnail_size = sf::Vector2i(tn_w.asInt() * 0.5, tn_h.asInt() * 0.5);
                    body_item->thumbnail_size = std::move(thumbnail_size);
                }
                
                result_items.push_back(std::move(body_item));
            }
        }

        return PluginResult::OK;
    }

    PluginResult FourchanThreadPage::login(const std::string &token, const std::string &pin, std::string &response_msg) {
        response_msg.clear();

        Path cookies_filepath;
        if(get_cookies_filepath(cookies_filepath, SERVICE_NAME) != 0) {
            fprintf(stderr, "Failed to get 4chan cookies filepath\n");
            return PluginResult::ERR;
        }

        std::vector<CommandArg> additional_args = {
            CommandArg{"-F", "id=" + token},
            CommandArg{"-F", "pin=" + pin},
            CommandArg{"-F", "xhr=1"},
            CommandArg{"-c", cookies_filepath.data}
        };

        Json::Value json_root;
        DownloadResult result = download_json(json_root, "https://sys.4chan.org/auth", std::move(additional_args), true);
        if(result != DownloadResult::OK) return download_result_to_plugin_result(result);

        if(!json_root.isObject())
            return PluginResult::ERR;

        const Json::Value &status_json = json_root["status"];
        if(!status_json.isNumeric())
            return PluginResult::ERR;
        
        const Json::Value &message_json = json_root["message"];
        if(message_json.isString())
            response_msg = message_json.asString();

        if(status_json.asInt64() == 1) {
            pass_id = get_pass_id_from_cookies_file(cookies_filepath);
            if(pass_id.empty())
                return PluginResult::ERR;
            return PluginResult::OK;
        } else {
            return PluginResult::ERR;
        }
    }

    static std::string file_get_filename(const std::string &filepath) {
        size_t index = filepath.rfind('/');
        if(index == std::string::npos)
            return filepath.c_str();
        return filepath.c_str() + index + 1;
    }

    PostResult FourchanThreadPage::post_comment(const std::string &captcha_id, const std::string &comment, const std::string &filepath) {
        std::string url = "https://sys.4chan.org/" + board_id + "/post";
        std::string comment_fixed = comment;
        if(comment_fixed[0] == '@')
            comment_fixed = "\\" + comment_fixed;

        std::vector<CommandArg> additional_args = {
            CommandArg{"-H", "Referer: https://boards.4chan.org/"},
            CommandArg{"-H", "Origin: https://boards.4chan.org"},
            CommandArg{"-F", "resto=" + thread_id},
            CommandArg{"-F", "com=" + comment_fixed},
            CommandArg{"-F", "mode=regist"}
        };

        if(!filepath.empty()) {
            std::string filename = file_get_filename(filepath);
            if(filename[0] == '@')
                filename = "\\" + filename;

            additional_args.push_back({ "-F", "upfile=@" + filepath });
            additional_args.push_back({ "-F", "filename=" + filename });
        }

        if(pass_id.empty()) {
            additional_args.push_back(CommandArg{"-F", "g-recaptcha-response=" + captcha_id});
        } else {
            Path cookies_filepath;
            if(get_cookies_filepath(cookies_filepath, SERVICE_NAME) != 0) {
                fprintf(stderr, "Failed to get 4chan cookies filepath\n");
                return PostResult::ERR;
            } else {
                additional_args.push_back(CommandArg{"-c", cookies_filepath.data});
                additional_args.push_back(CommandArg{"-b", cookies_filepath.data});
            }
        }

        std::string response;
        if(download_to_string(url, response, additional_args, true) != DownloadResult::OK)
            return PostResult::ERR;
        
        if(response.find("successful") != std::string::npos)
            return PostResult::OK;
        if(response.find("banned") != std::string::npos)
            return PostResult::BANNED;
        if(response.find("try again") != std::string::npos || response.find("No valid captcha") != std::string::npos)
            return PostResult::TRY_AGAIN;
        if(response.find("Audio streams are not allowed") != std::string::npos)
            return PostResult::FILE_TYPE_NOT_ALLOWED;
        if(response.find("Error: Upload failed") != std::string::npos)
            return PostResult::UPLOAD_FAILED;

        return PostResult::ERR;
    }

    const std::string& FourchanThreadPage::get_pass_id() {
        if(pass_id.empty()) {
            Path cookies_filepath;
            if(get_cookies_filepath(cookies_filepath, SERVICE_NAME) != 0) {
                fprintf(stderr, "Failed to get 4chan cookies filepath\n");
            } else {
                pass_id = get_pass_id_from_cookies_file(cookies_filepath);
            }
        }
        return pass_id;
    }
}