Added graffiti example

Kolsha · May 12, 2019 · c306d76 · c306d76
1 parent 3d7f737
commit c306d76
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diff --git a/examples/graffiti/graffiti.pro b/examples/graffiti/graffiti.pro
@@ -0,0 +1,19 @@
+TEMPLATE = app
+CONFIG += console c++11
+CONFIG -= app_bundle
+CONFIG -= qt
+
+INCLUDEPATH += $$PWD/../../
+
+SOURCES += main.cpp \
+    ../../src/api.cpp \
+    ../../src/attachment.cpp \
+    ../../src/messages.cpp
+
+HEADERS += \
+    ../../src/json.hpp \
+    ../../src/api.h \
+    ../../src/attachment.h \
+    ../../src/messages.h
+
+LIBS += -lcurl
diff --git a/examples/graffiti/main.cpp b/examples/graffiti/main.cpp
@@ -0,0 +1,195 @@
+#include <iostream>
+#include "src/api.h"
+
+#include <curl/curl.h>
+
+using json = ::nlohmann::json;
+
+using namespace std;
+
+
+string fa2_callback() {
+    string res;
+    cout << "Enter 2fa code: ";
+    cin >> res;
+    return res;
+}
+
+string captcha_callback(const string &captcha_sid) {
+    string res;
+    cout << "Open image https://api.vk.com/captcha.php?sid=" << captcha_sid;
+    cout << " and enter text: " << endl;
+    cin >> res;
+    return res;
+}
+
+void print_man() {
+    cout << "Usage: [access_token] login pass" << endl;
+}
+
+
+
+string upload_file(const string &url, const string &parameter_name, const string &path){
+
+    struct curl_httppost *formpost = nullptr;
+    struct curl_httppost *lastptr = nullptr;
+
+
+    CURL *curl = curl_easy_init();
+    if (!curl)
+        return "";
+
+    static char errorBuffer[CURL_ERROR_SIZE];
+    string curl_buffer;
+
+    curl_formadd(&formpost,
+                 &lastptr,
+                 CURLFORM_COPYNAME, parameter_name.c_str(),
+                 CURLFORM_FILE, path.c_str(),
+                 CURLFORM_END);
+
+
+    curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorBuffer);
+    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+    curl_easy_setopt(curl, CURLOPT_USERAGENT, "VK API Client");
+    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+    curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, VK::Utils::CURL_WRITER);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &curl_buffer);
+
+    CURLcode result = curl_easy_perform(curl);
+    curl_easy_cleanup(curl);
+    curl_formfree(formpost);
+    if (result == CURLE_OK) {
+        return curl_buffer;
+    } else {
+        return errorBuffer;
+    }
+}
+
+int main(int argc, char *argv[]) {
+
+    const string peer_id = "123";
+    const string graffiti_file_path = "/Users/kolsha/graffiti.png";
+
+    if(argc < 2 || argc > 4) {
+        print_man();
+        return 1;
+    }
+
+    string access_token, login, pass;
+
+    if(argc == 2) {
+        access_token = argv[1];
+    } else if(argc == 3) {
+        login = argv[1];
+        pass = argv[2];
+    } else if(argc == 4) {
+        access_token = argv[1];
+        login = argv[2];
+        pass = argv[3];
+    } else {
+        print_man();
+        return 1;
+    }
+
+
+    VK::Client api;
+    api.set_fa2_callback(fa2_callback);
+    api.set_cap_callback(captcha_callback);
+    if(api.auth(login, pass, access_token)) {
+        cout << "Auth ok" << endl;
+        cout << "Access token: " << api.access_token() << endl;
+
+        VK::params_map params = {
+            {"peer_id", peer_id},
+            {"type", "graffiti"}
+        };
+        cout << "API response: " << endl;
+        json jres = api.call("docs.getMessagesUploadServer", params);
+
+        cout << jres << endl;
+
+        if(jres.find("error") != jres.end()) {
+            return -1;
+        }
+
+        string upload_result;
+
+        try {
+            json response = jres.at("response").get<json>();
+            string upload_url = response.at("upload_url").get<string>();
+            if(upload_url.empty())
+                return -2;
+
+            cout << upload_url << endl;
+
+            upload_result = upload_file(upload_url, "file" , graffiti_file_path);
+
+            if(upload_result.empty()){
+                return -3;
+            }
+
+            cout << upload_result << endl;
+        }
+        catch(...) {
+            return -4;
+        }
+
+
+        try {
+            jres = json::parse(upload_result);
+
+            if(jres.find("error") != jres.end()) {
+                return -5;
+            }
+
+
+            params = {
+                {"file", jres.at("file").get<string>()},
+                {"title", "graffiti"}
+            };
+
+            jres = api.call("docs.save", params);
+
+            cout << jres << endl;
+
+            if(jres.find("error") != jres.end()) {
+                return -6;
+            }
+
+            jres = jres.at("response").get<json>();
+            jres = jres.begin().value();
+
+
+
+
+
+            string attachment = "doc" + to_string(jres.at("owner_id").get<int>())
+                    + "_" +
+                    to_string(jres.at("id").get<int>());
+            params = {
+                {"peer_id", peer_id},
+                {"attachment", attachment}
+            };
+
+            jres = api.call("messages.send", params);
+
+            cout << jres << endl;
+
+
+        }
+        catch(...) {
+            return -7;
+        }
+
+
+
+
+    } else {
+        cout << "Auth fail: " << api.last_error() << endl;
+        return -1;
+    }
+
+    return 0;
+}