From 85c73cba2a3e8ef3227e8b51dd1f021830966625 Mon Sep 17 00:00:00 2001
From: Jonas <cpp@zom.bi>
Date: Sat, 26 Dec 2020 16:50:29 +0100
Subject: [PATCH] Initial commit

---
 .gitignore |  1 +
 build.sh   |  1 +
 clean.sh   |  1 +
 http.c     | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 http.h     | 15 +++++++++++++++
 lichess.c  | 19 +++++++++++++++++++
 lichess.h  |  9 +++++++++
 main.c     | 39 +++++++++++++++++++++++++++++++++++++++
 main.h     |  1 +
 9 files changed, 132 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 build.sh
 create mode 100644 clean.sh
 create mode 100644 http.c
 create mode 100644 http.h
 create mode 100644 lichess.c
 create mode 100644 lichess.h
 create mode 100644 main.c
 create mode 100644 main.h

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d4d5cbd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+cWikiBot
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..7c582b2
--- /dev/null
+++ b/build.sh
@@ -0,0 +1 @@
+gcc -o ./cWikiBot main.c lichess.c http.c -lcurl -ljson-c
diff --git a/clean.sh b/clean.sh
new file mode 100644
index 0000000..d1c10d1
--- /dev/null
+++ b/clean.sh
@@ -0,0 +1 @@
+rm -r cWikiBot *.out
diff --git a/http.c b/http.c
new file mode 100644
index 0000000..6f8dba9
--- /dev/null
+++ b/http.c
@@ -0,0 +1,46 @@
+#include "http.h"
+
+#include <string.h>
+#include <curl/curl.h>
+#include <stdlib.h>
+
+int curl_setup = 0;
+char* request(char *url )
+{
+	if(!curl_setup)
+	{
+		curl_global_init(CURL_GLOBAL_DEFAULT);
+		url +=1;
+	}
+	
+	struct httpResponse_t httpResponse;
+	httpResponse.response = malloc(1);
+	httpResponse.size = 0;
+	CURL *httpHandler = curl_easy_init();
+	if(httpHandler) {
+		curl_easy_setopt(httpHandler,CURLOPT_URL, url);
+		curl_easy_setopt(httpHandler,CURLOPT_WRITEFUNCTION, httpResponseCallback);
+		curl_easy_setopt(httpHandler,CURLOPT_WRITEDATA, (void *)&httpResponse);
+		curl_easy_perform(httpHandler);
+	}
+	else
+		return "Lol, fehler";
+	return httpResponse.response;
+}
+size_t httpResponseCallback(char *data, size_t wordlength, size_t bytecount, void *out)
+{
+	// wordlength should be always 1, but this appears to be more secure.
+	size_t size = wordlength * bytecount;
+	struct httpResponse_t *mem = (struct httpResponse_t *) out;
+	
+	char *newData = realloc(mem->response, mem->size + size +1);
+	if(newData == NULL)
+		return 0;
+	mem->response = newData;
+	memcpy(&(mem->response[mem->size]), data, size);
+	mem->size += size;
+	// Null-terminate the byte chunk, to effectively have a C-String.
+	mem->response[mem-> size] = 0;
+	
+	return size;
+}
diff --git a/http.h b/http.h
new file mode 100644
index 0000000..59ea4f9
--- /dev/null
+++ b/http.h
@@ -0,0 +1,15 @@
+#ifndef WIKIBOT_HTTP_H
+#define WIKIBOT_HTTP_H
+
+#include <stddef.h>
+
+struct httpResponse_t {
+	char *response;
+	size_t size;
+};
+
+size_t httpResponseCallback(char *data, size_t wordlength, size_t bytecount, void *out);
+
+char* request(char *url );
+
+#endif //WIKIBOT_HTTP_H
diff --git a/lichess.c b/lichess.c
new file mode 100644
index 0000000..5129745
--- /dev/null
+++ b/lichess.c
@@ -0,0 +1,19 @@
+#include "lichess.h"
+
+#include <string.h>
+#include <json-c/json_tokener.h>
+
+json_object* query_lichess(char* username)
+{
+	/* This function queries the lichess api and returns a pointer to a
+	 * json_object, that contains the profile of the queried player
+	 */
+	 char* api_base = "https://lichess.org/api/user/";
+	 char user_url[128];
+	 strcpy(user_url,api_base);
+	 char* http_response = request(strcat(
+		user_url,username));
+	json_object *lichessUser = json_tokener_parse(http_response);
+	json_object *profile = json_object_object_get(lichessUser,"profile");
+	return profile;
+}
diff --git a/lichess.h b/lichess.h
new file mode 100644
index 0000000..e9820b2
--- /dev/null
+++ b/lichess.h
@@ -0,0 +1,9 @@
+#ifndef WIKIBOT_LICHESS_H
+#define WIKIBOT_LICHESS_H
+
+#include "http.h"
+#include <json-c/json_object.h>
+
+json_object* query_lichess(char* username);
+
+#endif // WIKIBOT_LICHESS_H
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..efd93d8
--- /dev/null
+++ b/main.c
@@ -0,0 +1,39 @@
+/*
+ * main.c
+ * 
+ * Copyright 2020  <cpp@zom.bi>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ * 
+ * 
+ */
+ 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <json-c/json_object.h>
+
+#include "lichess.h"
+#include "http.h"
+
+int main(int argc, char **argv)
+{
+	// json_object *profile = malloc(1);
+	json_object *profile = query_lichess("alireza2003");
+	printf("%s\n",json_object_get_string(profile));
+
+	return 0;
+}
diff --git a/main.h b/main.h
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/main.h
@@ -0,0 +1 @@
+