X-Git-Url: http://git.bytex64.net/?a=blobdiff_plain;f=http%2Fhttp_blerg.c;h=8a5b9a506c49bf82bf3752634f296ae44276a2d2;hb=3e3138025852408ef03f3213972e042e12841bed;hp=e2057491ff5a899a0a801ceba0d5b95f19916466;hpb=ec8746b44dc85fd3e3b42835f779890684a9e90a;p=blerg.git

diff --git a/http/http_blerg.c b/http/http_blerg.c
index e205749..8a5b9a5 100644
--- a/http/http_blerg.c
+++ b/http/http_blerg.c
@@ -29,12 +29,6 @@ struct put_state {
 	int data_size;
 };
 
-struct subscribe_state {
-	struct MHD_PostProcessor *pp;
-	char username[33];
-	char to[33];
-};
-
 struct get_state {
 	struct blerg *b;
 	yajl_gen g;
@@ -174,22 +168,6 @@ void GET_generate_blergref_list_free(void *cls) {
 	free(bs);
 }
 
-int POST_auth_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) {
-	struct auth_state *as = cls;
-
-	if (strncmp(key, "username", 9) == 0) {
-		if (size > 32) size = 32;
-		memcpy(as->username, data, size);
-		as->username[size] = 0;
-	} else if (strncmp(key, "password", 9) == 0) {
-		if (size > 32) size = 32;
-		memcpy(as->password, data, size);
-		as->password[size] = 0;
-	}
-
-	return MHD_YES;
-}
-
 int POST_put_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) {
 	struct put_state *ps = cls;
 
@@ -216,22 +194,98 @@ int POST_put_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const
 	return MHD_YES;
 }
 
-int POST_subscribe_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) {
-	struct subscribe_state *ss = cls;
+int process_put(struct MHD_Connection *connection, const char *method, const char *upload_data, size_t *upload_data_size, void **ptr) {
+	struct put_state *ps = (struct put_state *) *ptr;
+
+	if (ps == NULL) {
+		if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
+			return respond_405(connection);
+
+		*ptr = (void *) 1;
+
+		struct put_state *ps = malloc(sizeof(struct put_state));
+		ps->data = NULL;
+		ps->data_size = 0;
+		ps->pp = MHD_create_post_processor(connection, 16384, &POST_put_iterator, ps);
+		ps->username[0] = 0;
+		*ptr = ps;
+		return MHD_YES;
+	}
+
+	if (*upload_data_size) {
+		MHD_post_process(ps->pp, upload_data, *upload_data_size);
+		*upload_data_size = 0;
+		return MHD_YES;
+	}
+
+	return MHD_NO;
+}
+
+int process_and_check_put(struct MHD_Connection *connection, const char *method, const char *upload_data, size_t *upload_data_size, void **ptr) {
+	struct put_state *ps = (struct put_state *) *ptr;
+
+	if (process_put(connection, method, upload_data, upload_data_size, ptr) == MHD_YES)
+		return MHD_YES;
+
+	const char *given_token = MHD_lookup_connection_value(connection, MHD_COOKIE_KIND, "auth");
+	if (!auth_check_token(ps->username, given_token))
+		return respond_403(connection);
+
+	return MHD_NO;
+}
+
+int POST_auth_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) {
+	struct auth_state *as = cls;
 
 	if (strncmp(key, "username", 9) == 0) {
 		if (size > 32) size = 32;
-		memcpy(ss->username, data, size);
-		ss->username[size] = 0;
-	} else if (strncmp(key, "to", 3) == 0) {
+		memcpy(as->username, data, size);
+		as->username[size] = 0;
+	} else if (strncmp(key, "password", 9) == 0) {
 		if (size > 32) size = 32;
-		memcpy(ss->to, data, size);
-		ss->to[size] = 0;
+		memcpy(as->password, data, size);
+		as->password[size] = 0;
 	}
 
 	return MHD_YES;
 }
 
+int process_auth(struct MHD_Connection *connection, const char *method, const char *upload_data, size_t *upload_data_size, void **ptr) {
+	struct auth_state *as = (struct auth_state *) *ptr;
+
+	if (as == NULL) {
+		if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
+			return respond_405(connection);
+
+		as = malloc(sizeof(struct auth_state));
+		as->username[0] = as->password[0] = 0;
+		as->pp = MHD_create_post_processor(connection, 1024, &POST_auth_iterator, as);
+		*ptr = as;
+		return MHD_YES;
+	}
+
+	if (*upload_data_size) {
+		MHD_post_process(as->pp, upload_data, *upload_data_size);
+		*upload_data_size = 0;
+		return MHD_YES;
+	}
+
+	return MHD_NO;
+}
+
+int process_and_check_auth(struct MHD_Connection *connection, const char *method, const char *upload_data, size_t *upload_data_size, void **ptr) {
+	struct auth_state *as = (struct auth_state *) *ptr;
+
+	if (process_auth(connection, method, upload_data, upload_data_size, ptr) == MHD_YES)
+		return MHD_YES;
+
+	const char *given_token = MHD_lookup_connection_value(connection, MHD_COOKIE_KIND, "auth");
+	if (!auth_check_token(as->username, given_token))
+		return respond_403(connection);
+
+	return MHD_NO;
+}
+
 struct MHD_Response *create_response_for_range(struct blerg *b, uint64_t from, uint64_t to) {
 	struct MHD_Response *response;
 	struct get_state *gs = malloc(sizeof(struct get_state));
@@ -240,7 +294,6 @@ struct MHD_Response *create_response_for_range(struct blerg *b, uint64_t from, u
 	uint64_t record_count = blerg_get_record_count(b);
 
 	if (from > to || from >= record_count || to >= record_count || to - from > 99) {
-		blerg_close(b);
 		free(gs);
 		return NULL;
 	}
@@ -365,36 +418,16 @@ ahc_derp (void *cls, struct MHD_Connection *connection, const char *url, const c
 
 		return ret;
 	} else if (strncmp(url, "/put", 4) == 0) {
-		struct put_state *ps = (struct put_state *) *ptr;
-		if (*ptr == NULL) {
-			if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
-				return respond_405(connection);
-
-			if (url[4] == '/')
-				return respond_404(connection);
-
-			*ptr = (void *) 1;
-
-			struct put_state *ps = malloc(sizeof(struct put_state));
-			ps->data = NULL;
-			ps->data_size = 0;
-			ps->pp = MHD_create_post_processor(connection, 16384, &POST_put_iterator, ps);
-			ps->username[0] = 0;
-			*ptr = ps;
-			return MHD_YES;
-		}
+		if (url[4] == '/')
+			return respond_404(connection);
 
-		if (*upload_data_size) {
-			MHD_post_process(ps->pp, upload_data, *upload_data_size);
-			*upload_data_size = 0;
+		ret = process_and_check_put(connection, method, upload_data, upload_data_size, ptr);
+		if (ret == MHD_YES)
 			return MHD_YES;
-		}
 
-		if (ps->data == NULL || ps->data_size == 0 || ps->username[0] == 0)
-			return respond_JSON_Failure(connection);
+		struct put_state *ps = (struct put_state *) *ptr;
 
-		const char *given_token = MHD_lookup_connection_value(connection, MHD_COOKIE_KIND, "auth");
-		if (!auth_check_token(ps->username, given_token))
+		if (ps->data == NULL || ps->data_size == 0)
 			return respond_JSON_Failure(connection);
 
 		struct blerg *b = blerg_open(ps->username);
@@ -456,24 +489,11 @@ ahc_derp (void *cls, struct MHD_Connection *connection, const char *url, const c
 
 		return ret;
 	} else if (strncmp(url, "/create", 8) == 0) {
-		struct auth_state *as = (struct auth_state *) *ptr;
-
-		if (as == NULL) {
-			if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
-				return respond_405(connection);
-
-			struct auth_state *as = malloc(sizeof(struct auth_state));
-			as->username[0] = as->password[0] = 0;
-			as->pp = MHD_create_post_processor(connection, 1024, &POST_auth_iterator, as);
-			*ptr = as;
+		ret = process_auth(connection, method, upload_data, upload_data_size, ptr);
+		if (ret == MHD_YES)
 			return MHD_YES;
-		}
 
-		if (*upload_data_size) {
-			MHD_post_process(as->pp, upload_data, *upload_data_size);
-			*upload_data_size = 0;
-			return MHD_YES;
-		}
+		struct auth_state *as = (struct auth_state *) *ptr;
 
 		if (as->username[0] == 0 || as->password[0] == 0)
 			return respond_JSON_Failure(connection);
@@ -491,34 +511,21 @@ ahc_derp (void *cls, struct MHD_Connection *connection, const char *url, const c
 
 		return respond_JSON_Success(connection);
 	} else if (strncmp(url, "/login", 7) == 0) {
-		struct auth_state *as = (struct auth_state *) *ptr;
-
-		if (as == NULL) {
-			if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
-				return respond_405(connection);
-
-			struct auth_state *as = malloc(sizeof(struct auth_state));
-			as->username[0] = as->password[0] = 0;
-			as->pp = MHD_create_post_processor(connection, 1024, &POST_auth_iterator, as);
-			*ptr = as;
+		ret = process_auth(connection, method, upload_data, upload_data_size, ptr);
+		if (ret == MHD_YES)
 			return MHD_YES;
-		}
 
-		if (*upload_data_size) {
-			MHD_post_process(as->pp, upload_data, *upload_data_size);
-			*upload_data_size = 0;
-			return MHD_YES;
-		}
+		struct auth_state *as = (struct auth_state *) *ptr;
 
 		if (as->username[0] == 0 || as->password[0] == 0)
 			return respond_JSON_Failure(connection);
 
-		if (!auth_login(as->username, as->password))
+		char *token = auth_login(as->username, as->password);
+		if (token == NULL)
 			return respond_JSON_Failure(connection);
 
 		response = MHD_create_response_from_data(strlen(JSON_SUCCESS), JSON_SUCCESS, MHD_NO, MHD_NO);
 
-		char *token = auth_get_token(as->username);
 		data = malloc(512);
 		snprintf(data, 512, "auth=%s", token);
 		MHD_add_response_header(response, "Set-Cookie", data);
@@ -534,104 +541,96 @@ ahc_derp (void *cls, struct MHD_Connection *connection, const char *url, const c
 
 		return ret;
 	} else if (strncmp(url, "/logout", 8) == 0) {
-		struct auth_state *as = (struct auth_state *) *ptr;
-
-		if (as == NULL) {
-			if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
-				return respond_405(connection);
-
-			struct auth_state *as = malloc(sizeof(struct auth_state));
-			as->username[0] = as->password[0] = 0;
-			as->pp = MHD_create_post_processor(connection, 1024, &POST_auth_iterator, as);
-			*ptr = as;
+		ret = process_and_check_auth(connection, method, upload_data, upload_data_size, ptr);
+		if (ret == MHD_YES)
 			return MHD_YES;
-		}
 
-		if (*upload_data_size) {
-			MHD_post_process(as->pp, upload_data, *upload_data_size);
-			*upload_data_size = 0;
-			return MHD_YES;
-		}
+		struct auth_state *as = (struct auth_state *) *ptr;
 
 		const char *given_token = MHD_lookup_connection_value(connection, MHD_COOKIE_KIND, "auth");
-		if (auth_check_token(as->username, given_token)) {
-			auth_logout(as->username);
-			return respond_JSON_Success(connection);
-		} else {
-			return respond_JSON_Failure(connection);
-		}
-	} else if (strncmp(url, "/subscribe", 11) == 0 || strncmp(url, "/unsubscribe", 13) == 0) {
-		struct subscribe_state *ss = (struct subscribe_state *) *ptr;
+		auth_logout(as->username, given_token);
+		return respond_JSON_Success(connection);
+	} else if (strncmp(url, "/subscribe", 10) == 0 || strncmp(url, "/unsubscribe", 12) == 0) {
+		ret = process_and_check_auth(connection, method, upload_data, upload_data_size, ptr);
+		if (ret == MHD_YES)
+			return MHD_YES;
 
-		if (ss == NULL) {
-			if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
-				return respond_405(connection);
+		struct auth_state *as = (struct auth_state *) *ptr;
 
-			struct subscribe_state *ss = malloc(sizeof(struct subscribe_state));
-			ss->username[0] = ss->to[0] = 0;
-			ss->pp = MHD_create_post_processor(connection, 1024, &POST_subscribe_iterator, ss);
-			*ptr = ss;
-			return MHD_YES;
-		}
+		if (url[1] == 'u') {
+			if (url[12] != '/')
+				return respond_404(connection);
 
-		if (*upload_data_size) {
-			MHD_post_process(ss->pp, upload_data, *upload_data_size);
-			*upload_data_size = 0;
-			return MHD_YES;
-		}
+			ret = parse_url_info(url + 13, &info);
+			if ((ret & URL_INFO_NAME) == 0)
+				return respond_404(connection);
 
-		const char *given_token = MHD_lookup_connection_value(connection, MHD_COOKIE_KIND, "auth");
-		if (auth_check_token(ss->username, given_token)) {
-			if (url[1] == 'u') {
-				subscription_remove(ss->username, ss->to);
-			} else {
-				subscription_add(ss->username, ss->to);
-			}
-			return respond_JSON_Success(connection);
+			subscription_remove(as->username, info.name);
 		} else {
-			return respond_JSON_Failure(connection);
+			if (url[10] != '/')
+				return respond_404(connection);
+
+			ret = parse_url_info(url + 11, &info);
+			if ((ret & URL_INFO_NAME) == 0)
+				return respond_404(connection);
+
+			subscription_add(as->username, info.name);
 		}
+		return respond_JSON_Success(connection);
 	} else if (strncmp(url, "/feed", 6) == 0) {
+		ret = process_and_check_auth(connection, method, upload_data, upload_data_size, ptr);
+		if (ret == MHD_YES)
+			return MHD_YES;
+
 		struct auth_state *as = (struct auth_state *) *ptr;
 
-		if (as == NULL) {
-			if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
-				return respond_405(connection);
+		int recs = 50;
+		struct blergref *feedlist = subscription_list(as->username, 0, &recs, -1);
 
-			struct auth_state *as = malloc(sizeof(struct auth_state));
-			as->username[0] = as->password[0] = 0;
-			as->pp = MHD_create_post_processor(connection, 1024, &POST_auth_iterator, as);
-			*ptr = as;
-			return MHD_YES;
+		if (recs == 0) {
+			response = MHD_create_response_from_data(2, "[]", MHD_NO, MHD_NO);
+		} else {
+			response = create_blergref_response(feedlist, recs);
 		}
 
-		if (*upload_data_size) {
-			MHD_post_process(as->pp, upload_data, *upload_data_size);
-			*upload_data_size = 0;
+		if (response == NULL)
+			return respond_JSON_Failure(connection);
+
+		ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
+		MHD_destroy_response(response);
+
+		return ret;
+	} else if (strncmp(url, "/feedinfo", 9) == 0) {
+		ret = process_and_check_auth(connection, method, upload_data, upload_data_size, ptr);
+		if (ret == MHD_YES)
 			return MHD_YES;
-		}
 
-		const char *given_token = MHD_lookup_connection_value(connection, MHD_COOKIE_KIND, "auth");
-		if (auth_check_token(as->username, given_token)) {
-			int recs = 50;
-			struct blergref *feedlist = subscription_list(as->username, 0, &recs, -1);
+		struct auth_state *as = (struct auth_state *) *ptr;
 
-			if (recs == 0) {
-				response = MHD_create_response_from_data(2, "[]", MHD_NO, MHD_NO);
-			} else {
-				response = create_blergref_response(feedlist, recs);
-			}
+		if (url[9] != '/')
+			return respond_404(connection);
 
-			if (response == NULL)
-				return respond_JSON_Failure(connection);
+		ret = parse_url_info(url + 10, &info);
+		if ((ret & URL_INFO_NAME) == 0)
+			return respond_404(connection);
 
-			ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
-			MHD_destroy_response(response);
+		yajl_gen g = yajl_gen_alloc(&yajl_c, NULL);
+		yajl_gen_map_open(g);
+		yajl_gen_string(g, "subscribed", 10);
+		yajl_gen_bool(g, is_subscribed(as->username, info.name));
+		yajl_gen_map_close(g);
 
-			return ret;
-		} else {
-			return respond_JSON_Failure(connection);
-		}
+		const unsigned char *ybuf;
+		yajl_gen_get_buf(g, &ybuf, &len);
+
+		response = MHD_create_response_from_data(len, (void *)ybuf, MHD_NO, MHD_YES);
+		ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
+		MHD_destroy_response(response);
+
+		yajl_gen_free(g);
+		free(as);
+
+		return ret;
 	} else {
 		return respond_404(connection);
 	}