/* Serve downloadable file. */
void serveDownloadableFile(int client, const char *filename, const char *displayFilename, const char * type)
{
FILE *resource = NULL;
char buf[1024];
size_t len;
STATIC_SEND(client, "HTTP/1.0 200 OK\r\n", 0);
STATIC_SEND(client, SERVER_STRING, 0);
len = snprintf(buf, sizeof(buf), "Content-Type: %s\r\n",type);
send(client, buf, len, 0);
len = snprintf(buf, sizeof(buf), "Content-Disposition: attachment; filename=\"%s\"\r\n",displayFilename);
send(client, buf, len, 0);
STATIC_SEND(client, "\r\n", 0);
resource = fopen(filename, "r");
if (resource == NULL)
notFound(client);
else
{
cat(client, resource);
}
fclose(resource);
}
void writeStandardHeaders(int client)
{
STATIC_SEND(client, "HTTP/1.0 200 OK\r\n", 0);
STATIC_SEND(client, SERVER_STRING, 0);
STATIC_SEND(client, "Content-Type: text/html\r\n", 0);
STATIC_SEND(client, "\r\n", 0);
}
void sendHeadersTypeEncoding(Request request,const char *type, const char * encoding)
{
int client=request.client;
STATIC_SEND(client, "HTTP/1.0 200 OK\r\n", 0);
STATIC_SEND(client, SERVER_STRING, 0);
FDPRINTF(client, "Content-Type: %s\r\n", type,0);
if (encoding!=NULL) {
FDPRINTF(client, "Content-Encoding: %s\r\n", encoding,0);
}
STATIC_SEND(client, "\r\n", 0);
}
void gzw_sendHeadersType(gzwRequest gzwr,const char *type)
{
int client=gzwr.request.client;
STATIC_SEND(client, "HTTP/1.0 200 OK\r\n", 0);
STATIC_SEND(client, SERVER_STRING, 0);
FDPRINTF(client, "Content-Type: %s\r\n", type,0);
if (gzwr.gzenabled) {
FDPRINTF(client, "Content-Encoding: %s\r\n", ENCODING_GZIP,0);
}
STATIC_SEND(client, "Vary: Accept-Encoding\r\n", 0);
STATIC_SEND(client, "\r\n", 0);
}
void gzw_sendHeadersFromString(gzwRequest gzwr,const char *headerString) {
int client=gzwr.request.client;
if (gzwr.gzenabled) {
FDPRINTF(client, "Content-Encoding: %s\r\n", ENCODING_GZIP,0);
}
FDPRINTF(client, "%s", headerString,0);
STATIC_SEND(client, "\r\n", 0);
}
void unimplemented(int client)
{
STATIC_SEND(client, "HTTP/1.0 501 Method Not Implemented\r\n", 0);
STATIC_SEND(client, SERVER_STRING, 0);
STATIC_SEND(client, "Content-Type: text/html\r\n", 0);
STATIC_SEND(client, "\r\n", 0);
STATIC_SEND(client, "<HTML><HEAD><TITLE>Method Not Implemented\r\n", 0);
STATIC_SEND(client, "</TITLE></HEAD>\r\n", 0);
STATIC_SEND(client, "<BODY><P>HTTP request method not supported.\r\n", 0);
STATIC_SEND(client, "</P></BODY></HTML>\r\n", 0);
}
/* Serve downloadable file. */
void serveDownloadableFile(int client, const char *filename, const char *displayFilename, const char * type)
{
FILE *resource = NULL;
STATIC_SEND(client, "HTTP/1.0 200 OK\r\n", 0);
STATIC_SEND(client, SERVER_STRING, 0);
FDPRINTF(client, "Content-Type: %s\r\n",type);
FDPRINTF(client, "Content-Disposition: attachment; filename=\"%s\"\r\n",displayFilename);
STATIC_SEND(client, "\r\n", 0);
resource = fopen(filename, "r");
if (resource == NULL) {
not_found(client);
} else {
cat(client, resource);
}
fclose(resource);
}
void server(Request * request, Response * response) {
// open sqlite3 database "URL_Records"
rc = sqlite3_open("URL_Records.db", &db);
// if db exist it will open otherwise create a db
if (rc) {
fprintf(stderr, "sqlite db connectivity error.");
exit(0);
}
//query to create "Records" table if not exists.
sql = "CREATE TABLE if not exists Records( "
"ID INTEGER PRIMARY KEY AUTOINCREMENT,"
"Hash CHAR(5) NOT NULL,URL TEXT NOT NULL);";
rc = sqlite3_exec(db, sql, callback, 0, &zErrMsg);
//Execute the sql statement.
if (rc != SQLITE_OK) {
fprintf(stderr, "SQL table creating error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
printf("%s %s\n", request->method, request->reqStr);
if (routeRequest(request, response, "/shorten", form)
|| routeRequest(request, response, "/", form)) {
//Request to shorten the URL
} else {
response->apiFlags |= API_FLAGS_DONT_SET_HEADER_BEFORE_SENDING;
char * queryPath = getQueryPath(request);
char longUrl[4096];
getLongUrl(queryPath, longUrl);
STATIC_SEND(response->fd, "HTTP/1.1 301 Moved Permanently\r\n");
resPrintf(response, "Location: %s\r\n", longUrl);
STATIC_SEND(response->fd, "\r\n");
free(queryPath);
}
sqlite3_close(db);
}
void client_error(int fd, int status, char *msg, char *longmsg){
nprintf(fd, "HTTP/1.1 %d %s\r\n", status, msg);
STATIC_SEND(fd, SERVER_STRING, 0);
nprintf(fd, "Content-length: %lu\r\n\r\n", strlen(longmsg));
nprintf(fd, "%s", longmsg);
}
void sendHeadersFromString(Request request, const char *headerString)
{
int client = request.client;
FDPRINTF(client, "%s", headerString, 0);
STATIC_SEND(client, "\r\n", 0);
}
