diff options
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/Fourchan.cpp | 187 | ||||
| -rw-r--r-- | src/plugins/Plugin.cpp | 34 |
2 files changed, 220 insertions, 1 deletions
diff --git a/src/plugins/Fourchan.cpp b/src/plugins/Fourchan.cpp new file mode 100644 index 0000000..0c3bffb --- /dev/null +++ b/src/plugins/Fourchan.cpp @@ -0,0 +1,187 @@ +#include "../../plugins/Fourchan.hpp" +#include <json/reader.h> +#include <string.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/"; + +// Legacy recaptcha command: curl 'https://www.google.com/recaptcha/api/fallback?k=6Ldp2bsSAAAAAAJ5uyx_lx34lJeEpTLVkP5k04qc' -H 'Referer: https://boards.4channel.org/' -H 'Cookie: CONSENT=YES' + +/* +Answering recaptcha: +curl 'https://www.google.com/recaptcha/api/fallback?k=6Ldp2bsSAAAAAAJ5uyx_lx34lJeEpTLVkP5k04qc' +-H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0' +-H 'Referer: https://www.google.com/recaptcha/api/fallback?k=6Ldp2bsSAAAAAAJ5uyx_lx34lJeEpTLVkP5k04qc' +-H 'Content-Type: application/x-www-form-urlencoded' +--data 'c=03AOLTBLQ66PjSi9s8S-R1vUS2Jgm-Z_ghEejvvjAaeF3FoR9MiM0zHhCxuertrCo7MAcFUEqcIg4l2WJzVtrJhJVLkncF12OzCaeIvbm46hgDZDZjLD89-LMn1Zs0TP37P-Hd4cuRG8nHuEBXc2ZBD8CVX-6HAs9VBgSmsgQeKF1PWm1tAMBccJhlh4rAOkpjzaEXMMGOe17N0XViwDYZxLGhe4H8IAG2KNB1fb4rz4YKJTPbL30_FvHw7zkdFtojjWiqVW0yCN6N192dhfd9oKz2r9pGRrR6N4AkkX-L0DsBD4yNK3QRsQn3dB1fs3JRZPAh1yqUqTQYhOaqdggyc1EwL8FZHouGRkHTOcCmLQjyv6zuhi6CJbg&response=1&response=4&response=5&response=7' +*/ + +/* Posting message: +curl 'https://sys.4chan.org/bant/post' +-H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0' +-H 'Referer: https://boards.4chan.org/' +-H 'Content-Type: multipart/form-data; boundary=---------------------------119561554312148213571335532670' +-H 'Origin: https://boards.4chan.org' +-H 'Cookie: __cfduid=d4bd4932e46bc3272fae4ce7a4e2aac511546800687; 4chan_pass=_SsBuZaATt3dIqfVEWlpemhU5XLQ6i9RC' +--data-binary $'-----------------------------119561554312148213571335532670\r\nContent-Disposition: form-data; name="resto"\r\n\r\n8640736\r\n-----------------------------119561554312148213571335532670\r\nContent-Disposition: form-data; name="com"\r\n\r\n>>8640771\r\nShe looks finnish\r\n-----------------------------119561554312148213571335532670\r\nContent-Disposition: form-data; name="mode"\r\n\r\nregist\r\n-----------------------------119561554312148213571335532670\r\nContent-Disposition: form-data; name="pwd"\r\n\r\n_SsBuZaATt3dIqfVEWlpemhU5XLQ6i9RC\r\n-----------------------------119561554312148213571335532670\r\nContent-Disposition: form-data; name="g-recaptcha-response"\r\n\r\n03AOLTBLS5lshp5aPj5pG6xdVMQ0pHuHxAtJoCEYuPLNKYlsRWNCPQegjB9zgL-vwdGMzjcT-L9iW4bnQ5W3TqUWHOVqtsfnx9GipLUL9o2XbC6r9zy-EEiPde7l6J0WcZbr9nh_MGcUpKl6RGaZoYB3WwXaDq74N5hkmEAbqM_CBtbAVVlQyPmemI2HhO2J6K0yFVKBrBingtIZ6-oXBXZ4jC4rT0PeOuVaH_gf_EBjTpb55ueaPmTbeLGkBxD4-wL1qA8F8h0D8c\r\n-----------------------------119561554312148213571335532670--\r\n' +*/ + +namespace QuickMedia { + PluginResult Fourchan::get_front_page(BodyItems &result_items) { + std::string server_response; + if(download_to_string(fourchan_url + "boards.json", server_response) != DownloadResult::OK) + return PluginResult::NET_ERR; + + 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 PluginResult::ERR; + } + + const Json::Value &boards = json_root["boards"]; + if(boards.isArray()) { + 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 = std::make_unique<BodyItem>(board_title.asString()); + body_item->url = board_id.asString(); + result_items.emplace_back(std::move(body_item)); + } + } + } + + return PluginResult::OK; + } + + SearchResult Fourchan::search(const std::string &url, BodyItems &result_items) { + return SearchResult::OK; + } + + SuggestionResult Fourchan::update_search_suggestions(const std::string &text, BodyItems &result_items) { + return SuggestionResult::OK; + } + + static bool string_ends_with(const std::string &str, const std::string &ends_with_str) { + size_t len = ends_with_str.size(); + return len == 0 || (str.size() >= len && memcmp(&str[str.size() - len], ends_with_str.data(), len) == 0); + } + + PluginResult Fourchan::get_content_list(const std::string &url, BodyItems &result_items) { + std::string server_response; + if(download_to_string(fourchan_url + url + "/catalog.json", server_response) != DownloadResult::OK) + return PluginResult::NET_ERR; + + 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 catalog json error: %s\n", json_errors.c_str()); + return PluginResult::ERR; + } + + if(json_root.isArray()) { + 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 &com = thread["com"]; + if(!com.isString()) + continue; + + const Json::Value &thread_num = thread["no"]; + if(!thread_num.isNumeric()) + continue; + + auto body_item = std::make_unique<BodyItem>(com.asString()); + 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") { + } 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 + url + "/" + std::to_string(tim.asInt64()) + "s.jpg"; + } + + result_items.emplace_back(std::move(body_item)); + } + } + } + + return PluginResult::OK; + } + + PluginResult Fourchan::get_content_details(const std::string &list_url, const std::string &url, BodyItems &result_items) { + std::string server_response; + if(download_to_string(fourchan_url + list_url + "/thread/" + url + ".json", server_response) != DownloadResult::OK) + return PluginResult::NET_ERR; + + 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 thread json error: %s\n", json_errors.c_str()); + return PluginResult::ERR; + } + + const Json::Value &posts = json_root["posts"]; + if(posts.isArray()) { + for(const Json::Value &post : posts) { + if(!post.isObject()) + continue; + + const Json::Value &com = post["com"]; + if(!com.isString()) + continue; + + const Json::Value &post_num = post["no"]; + if(!post_num.isNumeric()) + continue; + + auto body_item = std::make_unique<BodyItem>(com.asString()); + body_item->url = std::to_string(post_num.asInt64()); + + 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") { + } 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 + list_url + "/" + std::to_string(tim.asInt64()) + "s.jpg"; + } + + result_items.emplace_back(std::move(body_item)); + } + } + + return PluginResult::OK; + } +}
\ No newline at end of file diff --git a/src/plugins/Plugin.cpp b/src/plugins/Plugin.cpp index 79c6403..c56ff67 100644 --- a/src/plugins/Plugin.cpp +++ b/src/plugins/Plugin.cpp @@ -2,6 +2,7 @@ #include "../../include/Program.h" #include <sstream> #include <iomanip> +#include <array> static int accumulate_string(char *data, int size, void *userdata) { std::string *str = (std::string*)userdata; @@ -28,7 +29,8 @@ namespace QuickMedia { } DownloadResult download_to_string(const std::string &url, std::string &result, const std::vector<CommandArg> &additional_args) { - std::vector<const char*> args = { "curl", "-H", "Accept-Language: en-US,en;q=0.5", "--compressed", "-s", "-L" }; + sf::Clock timer; + std::vector<const char*> args = { "curl", "-f", "-H", "Accept-Language: en-US,en;q=0.5", "--compressed", "-s", "-L" }; for(const CommandArg &arg : additional_args) { args.push_back(arg.option.c_str()); args.push_back(arg.value.c_str()); @@ -38,6 +40,7 @@ namespace QuickMedia { args.push_back(nullptr); if(exec_program(args.data(), accumulate_string, &result) != 0) return DownloadResult::NET_ERR; + fprintf(stderr, "Download duration for %s: %d ms\n", url.c_str(), timer.getElapsedTime().asMilliseconds()); return DownloadResult::OK; } @@ -64,6 +67,35 @@ namespace QuickMedia { return str.substr(start, end - start + 1); } + struct HtmlEscapeSequence { + std::string escape_sequence; + std::string unescaped_str; + }; + + void string_replace_all(std::string &str, const std::string &old_str, const std::string &new_str) { + size_t index = 0; + while(true) { + index = str.find(old_str, index); + if(index == std::string::npos) + return; + str.replace(index, old_str.size(), new_str); + } + } + + void html_unescape_sequences(std::string &str) { + const std::array<HtmlEscapeSequence, 5> escape_sequences = { + HtmlEscapeSequence { """, "\"" }, + HtmlEscapeSequence { "'", "'" }, + HtmlEscapeSequence { "<", "<" }, + HtmlEscapeSequence { ">", ">" }, + HtmlEscapeSequence { "&", "&" } // This should be last, to not accidentally replace a new sequence caused by replacing this + }; + + for(const HtmlEscapeSequence &escape_sequence : escape_sequences) { + string_replace_all(str, escape_sequence.escape_sequence, escape_sequence.unescaped_str); + } + } + std::string Plugin::url_param_encode(const std::string ¶m) const { std::ostringstream result; result.fill('0'); |