From d6131b8ba482414be76f2478aea90bd7a4a2379b Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 14 Sep 2020 18:37:00 +0200
Subject: Add support for 4chan pass

---
 src/plugins/Fourchan.cpp | 92 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/plugins/Mangadex.cpp |  2 +-
 2 files changed, 93 insertions(+), 1 deletion(-)

(limited to 'src/plugins')

diff --git a/src/plugins/Fourchan.cpp b/src/plugins/Fourchan.cpp
index 42bb54e..5932144 100644
--- a/src/plugins/Fourchan.cpp
+++ b/src/plugins/Fourchan.cpp
@@ -45,7 +45,34 @@ namespace QuickMedia {
         thread_list_update_thread.join();
     }
 
+    // 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));
+    }
+
     PluginResult Fourchan::get_front_page(BodyItems &result_items) {
+        if(pass_id.empty()) {
+            Path cookies_filepath;
+            if(get_cookies_filepath(cookies_filepath, name) != 0) {
+                fprintf(stderr, "Failed to get 4chan cookies filepath\n");
+            } else {
+                pass_id = get_pass_id_from_cookies_file(cookies_filepath);
+            }
+        }
+
 #if 0
         std::string server_response;
         if(download_to_string(fourchan_url + "boards.json", server_response, {}, use_tor) != DownloadResult::OK)
@@ -543,6 +570,20 @@ namespace QuickMedia {
             CommandArg{"-H", "Content-Type: multipart/form-data; boundary=---------------------------119561554312148213571335532670"},
             CommandArg{"-H", "Origin: https://boards.4chan.org"}
         };
+
+        if(pass_id.empty()) {
+            form_data.push_back(FormData{"g-recaptcha-response", captcha_id});
+        } else {
+            Path cookies_filepath;
+            if(get_cookies_filepath(cookies_filepath, 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::vector<CommandArg> form_data_args = create_command_args_from_form_data(form_data);
         additional_args.insert(additional_args.end(), form_data_args.begin(), form_data_args.end());
 
@@ -573,4 +614,55 @@ namespace QuickMedia {
         }
         return body_items;
     }
+
+    PluginResult Fourchan::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, 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}
+        };
+
+        std::string response;
+        if(download_to_string("https://sys.4chan.org/auth", response, std::move(additional_args), use_tor, true) != 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(&response[0], &response[response.size()], &json_root, &json_errors) || !json_root.isObject()) {
+            fprintf(stderr, "Youtube get front page error: %s\n", json_errors.c_str());
+            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;
+        }
+    }
+
+    const std::string& Fourchan::get_pass_id() const {
+        return pass_id;
+    }
 }
\ No newline at end of file
diff --git a/src/plugins/Mangadex.cpp b/src/plugins/Mangadex.cpp
index 10f689f..4afa89b 100644
--- a/src/plugins/Mangadex.cpp
+++ b/src/plugins/Mangadex.cpp
@@ -241,7 +241,7 @@ namespace QuickMedia {
     }
 
     bool Mangadex::save_mangadex_cookies(const std::string &url, const std::string &cookie_filepath) {
-        CommandArg cookie_arg = { "-c", std::move(cookie_filepath) };
+        CommandArg cookie_arg = { "-c", cookie_filepath };
         std::string server_response;
         if(download_to_string(url, server_response, {std::move(cookie_arg)}, use_tor, true) != DownloadResult::OK)
             return false;
-- 
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