Fix memory leaks, create HTTP Signature for post to inbox

src/collections

@@ -1 +1 @@
-Subproject commit 2ca4ca869a52e3c493fab2f835065fdc1a8eeaca
+Subproject commit 021380b65db1dc447fef82baf1bb15e52bc1bab9

src/controller/outbox.c

@@ -10,12 +10,15 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <time.h>
 
 static bool process_one( int id )
 {
 	bool result = false;
 	struct crypto_keys* keys = crypto_keys_new();
 	FILE* f = NULL;
+	ARRAY_OF(char*) inboxes;
+	memset( &inboxes, 0, sizeof(inboxes) );
 
 	if( !crypto_keys_load_private( keys, "data/owner/private.pem" ) ) {
 		printf( "Failed to load private key\n" );
@@ -43,9 +46,6 @@ static bool process_one( int id )
 		goto failed;
 	}
 
-	ARRAY_OF(char*) inboxes;
-	memset( &inboxes, 0, sizeof(inboxes) );
-
 	char* remainder = NULL;
 	char* iter = strtok_r( &toline[4],",",&remainder);
 
@@ -69,11 +69,52 @@ static bool process_one( int id )
 	free(toline);
 
 	for( int i = 0; i < inboxes.count; ++i ) {
-		printf( "item[%d] = %s\n", i, inboxes.items[i] );
-	}
+		const char* inbox = inboxes.items[i];
+		printf( "item[%d] = %s\n", i, inbox );
 
-	void release( void* item ) { free( *(char**)item ); }
-	array_free( &inboxes, sizeof(char*), release );
+		if( 0 != strncmp( "https://", inbox, 8 ) ) {
+			printf( "Invalid inbox: %s\n", inbox );
+			goto failed;
+		}
+
+		// Separate host and path from inbox
+		char* path = index( &inbox[8], '/' );
+		char* host = strndup( &inbox[8], path - &inbox[8] );
+
+		// Build HTTP date
+		time_t utc_time = time(NULL);
+		struct tm gmtime_data;
+		gmtime_r( &utc_time, &gmtime_data );
+		static const char* day_of_week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
+		static const char* month_of_year[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+		char date[32];
+		snprintf( date, sizeof(date),
+			"%s, %d %s %d %02d:%02d:%02d GMT",
+			day_of_week[ gmtime_data.tm_wday ],
+			gmtime_data.tm_mday,
+			month_of_year[ gmtime_data.tm_mon ],
+			gmtime_data.tm_year + 1900,
+			gmtime_data.tm_hour,
+			gmtime_data.tm_min,
+			gmtime_data.tm_sec
+		);
+
+		// Build hash line
+		char hash_line[512];
+		snprintf( hash_line, 512, "(request-target): post %s\nhost: %s\ndate: %s", path, host, date );
+		printf( "hash_line = %s\n", hash_line );
+
+		// Hash and sign
+		char hash[32];
+		sha256_easy_hash( hash_line, strlen(hash_line), hash );
+		char* signature = crypto_keys_sign( keys, hash, 32 );
+		printf( "signature = %s\n", signature );
+		free(signature);
+
+		// TODO: HTTP POST request
+
+		free(host);
+	}
 
 	// NOT FINISHED DEVELOPING
 	goto failed;
@@ -81,6 +122,9 @@ static bool process_one( int id )
 discard:
 	result = true;
 cleanup:
+	void release( void* item ) { free( *(char**)item ); }
+	array_free( &inboxes, sizeof(char*), release );
+
 	crypto_keys_free(keys);
 	if( f ) { fclose(f); }
 
@@ -102,17 +146,5 @@ void process_outbox()
 		}
 	}
 
-
-	/*
-
-	char hash[32];
-	sha256_easy_hash( "Hello, World!", 13, hash );
-
-	char* signature = crypto_keys_sign( keys, hash, 32 );
-	printf( "signature = %s\n", signature );
-	free(signature);
-
-	*/
-
 	exit(0);
 }

src/main.c

@@ -82,6 +82,7 @@ int main( int argc, char* argv[] )
 		}
 	}
 
+	/*
 	int inbox_handler_pid = -1;
 
 	// Process inbox
@@ -94,9 +95,7 @@ int main( int argc, char* argv[] )
 	if( !( inbox_handler_pid = fork() ) ) {
 		prctl(PR_SET_PDEATHSIG, SIGHUP);
 		process_outbox();
-	}
-
-	// TODO: Process outbox
+	}*/
 
 	int code = 0;
 	if( !run_webserver(args) ) { code = 1; }

src/model/account.c

@@ -372,6 +372,7 @@ void account_free( struct account* a )
 
 	free(a->handle);
 	free(a->server);
+	free(a->inbox);
 	free(a->display_name);
 	free(a->account_url);
 	free(a->avatar.url);