1 files changed, 87 insertions, 0 deletions
diff --git a/libpiano/http.c b/libpiano/http.c
new file mode 100644
index 0000000..31c93cf
--- /dev/null
+++ b/libpiano/http.c
@@ -0,0 +1,87 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <curl/curl.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "const.h"
+#include "http.h"
+
+
+/* FIXME: curl has a receive limit, use it! */
+/*	callback for curl, writes data to buffer
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param received data
+ *	@param block size
+ *	@param blocks received
+ *	@param write data into this buffer
+ *	@return written bytes
+ */
+size_t PianoCurlRetToVar (void *ptr, size_t size, size_t nmemb, void *stream) {
+	char *charPtr = ptr;
+	char *streamPtr = stream;
+
+	if (strlen (streamPtr) + nmemb > PIANO_HTTP_BUFFER_SIZE) {
+		printf ("buffer overflow...\n");
+		return 0;
+	} else {
+		memcpy (streamPtr+strlen(streamPtr), charPtr, size*nmemb);
+		return size*nmemb;
+	}
+}
+
+/* FIXME: we may use a callback given by the library client here. would be
+ * more flexible... */
+/*	post data to url and receive answer as string
+ *	@author PromyLOPh
+ *	@added 2008-06-05
+ *	@param initialized curl handle
+ *	@param call this url
+ *	@param post this data
+ *	@param put received data here, memory is allocated by this function
+ *	@return nothing yet
+ */
+void PianoHttpPost (CURL *ch, char *url, char *postData, char **retData) {
+	struct curl_slist *headers = NULL;
+	/* Let's hope nothing will be bigger than this... */
+	char curlRet[PIANO_HTTP_BUFFER_SIZE];
+
+	headers = curl_slist_append (headers, "Content-Type: text/xml");
+
+	curl_easy_setopt (ch, CURLOPT_URL, url);
+	curl_easy_setopt (ch, CURLOPT_POSTFIELDS, postData);
+	curl_easy_setopt (ch, CURLOPT_HTTPHEADER, headers);
+	curl_easy_setopt (ch, CURLOPT_WRITEFUNCTION, PianoCurlRetToVar);
+	/* don't verify certificate for now, it's easier ;) */
+	curl_easy_setopt (ch, CURLOPT_SSL_VERIFYPEER, 0);
+	memset (curlRet, 0, sizeof (curlRet));
+	curl_easy_setopt (ch, CURLOPT_WRITEDATA, curlRet);
+
+	curl_easy_perform (ch);
+
+	curl_slist_free_all (headers);
+
+	*retData = calloc (strlen (curlRet) + 1, sizeof (char));
+	strcpy (*retData, curlRet);
+}