add DC_EVENT_HTTP_POST, needed to regenerate OAuth2 tokens

cmdline/main.c

@@ -67,17 +67,33 @@ static uintptr_t receive_event(dc_context_t* context, int event, uintptr_t data1
 			break;
 
 		case DC_EVENT_HTTP_GET:
+		case DC_EVENT_HTTP_POST:
 			{
+				char* url = dc_strdup((char*)data1);
+				char* param = strchr(url, '?');
+				if (param) {
+					*param = 0;
+					param++;
+				}
+				else {
+					param = "";
+				}
+
 				char* ret = NULL;
 				char* tempFile = dc_get_fine_pathNfilename(context, context->blobdir, "curl.result");
-				char* cmd = dc_mprintf("curl --silent --location --fail --insecure %s > %s", (char*)data1, tempFile); /* --location = follow redirects */
+				char* cmd = event==DC_EVENT_HTTP_GET?
+					dc_mprintf("curl --silent --location --fail --insecure %s%s%s > %s", url, param[0]? "?" : "", param, tempFile) :
+					dc_mprintf("curl --silent -d \"%s\" %s > %s", param, url, tempFile);
+
 				int error = system(cmd);
 				if (error == 0) { /* -1=system() error, !0=curl errors forced by -f, 0=curl success */
 					size_t bytes = 0;
 					dc_read_file(context, tempFile, (void**)&ret, &bytes);
 				}
+
 				free(cmd);
 				free(tempFile);
+				free(url);
 				return (uintptr_t)ret;
 			}
 

cmdline/stress.c

@@ -1059,4 +1059,8 @@ void stress_functions(dc_context_t* context)
 		assert( res->id != 0 );
 		dc_lot_unref(res);
 	}
+
+	{
+		context->cb(context, DC_EVENT_HTTP_POST, (uintptr_t)"https://accounts.google.com/o/oauth2/token?client_id=959970109878-t6pl4k9fmsdvfnobae862urapdmhfvbe.apps.googleusercontent.com&client_secret=g2f_Gc1YUJ-fWjnTkdsuk4Xo&&grant_type=refresh_token&refresh_token=1/RMq1d0QKVF-BN4yJSuBwjzukWTF_puI3IBYtIjtPhi8&redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob", 0);
+	}
 }

src/deltachat.h

@@ -1062,20 +1062,40 @@ time_t          dc_lot_get_timestamp     (const dc_lot_t*);
 
 
 /**
- * Request a HTTP-file or HTTPS-file from the frontend.
+ * Request a HTTP-file or HTTPS-file from the frontend using HTTP-GET.
  *
  * @param data1 (const char*) Null-terminated UTF-8 string containing the URL.
  *     The string starts with https:// or http://.
  *     Must not be free()'d or modified and is valid only until the callback returns.
  * @param data2 0
  * @return (const char*) The content of the requested file as a null-terminated UTF-8 string;
- *     Response headers, encodings etc. must be stripped, only the raw file, which may be binary, should be returned.
+ *     Response headers, encodings etc. must be stripped.
+ *     Only the raw file should be returned.
  *     CAVE: The string will be free()'d by the core,
  *     so make sure it is allocated using malloc() or a compatible function.
  *     If you cannot provide the content, just return 0 or an empty string.
  */
 #define DC_EVENT_HTTP_GET                 2100
 
+
+/**
+ * Request a HTTP-file or HTTPS-file from the frontend using HTTP-POST.
+ *
+ * @param data1 (const char*) Null-terminated UTF-8 string containing the URL.
+ *     The string starts with https:// or http://.
+ *     Must not be free()'d or modified and is valid only until the callback returns.
+ *     Parameter to POST are added to the url after `?`.
+ * @param data2 0
+ * @return (const char*) The content of the requested file as a null-terminated UTF-8 string;
+ *     Response headers, encodings etc. must be stripped.
+ *     Only the raw file should be returned.
+ *     CAVE: The string will be free()'d by the core,
+ *     so make sure it is allocated using malloc() or a compatible function.
+ *     If you cannot provide the content, just return 0 or an empty string.
+ */
+#define DC_EVENT_HTTP_POST                2110
+
+
 /**
  * @}
  */