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Moved content generators from connection handler to separate functions

This commit is contained in:
Thomas Kolb 2013-01-20 17:46:25 +01:00
parent 1a30d22de8
commit eb16317dff
1 changed files with 57 additions and 46 deletions
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103
main.c
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@ -53,6 +53,61 @@ void request_completed(void *cls,
free(connstate);
}
int serv_regular_file(struct MHD_Connection *connection, struct ConnectionState *connstate) {
struct MHD_Response *response;
int ret;
LOG(LVL_DEBUG, "Serving %s as a regular file.", connstate->localFileName);
// open a file descriptor to the file
int fd = open(connstate->localFileName, O_RDONLY);
if(fd == -1) {
LOG(LVL_ERR, "Cannot open %s: %s",
connstate->localFileName, strerror(errno));
return MHD_queue_response(connection, MHD_HTTP_FORBIDDEN, error403Response);
}
// no error so far -> serve the file
response = MHD_create_response_from_fd(
connstate->targetStat.st_size,
fd);
#ifdef HAVE_MAGIC
// if libmagic is available, determine the correct MIME type for the file
const char *mimeType = magic_file(magicCookie, connstate->localFileName);
LOG(LVL_DEBUG, "MIME type for %s: %s", connstate->localFileName, mimeType);
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_TYPE, mimeType);
#endif
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
MHD_destroy_response(response);
return ret;
}
int serv_directory(struct MHD_Connection *connection, struct ConnectionState *connstate) {
struct MHD_Response *response;
int ret;
LOG(LVL_DEBUG, "Generating directory listing for %s.", connstate->localFileName);
char *result = create_dirlisting(connstate->cleanedURL, connstate->localFileName);
if(!result) {
LOG(LVL_ERR, "Failed to generate dirlisting for %s.", connstate->localFileName);
return MHD_queue_response(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, error500Response);
}
response = MHD_create_response_from_buffer(
strlen(result), result, MHD_RESPMEM_MUST_FREE);
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_TYPE, "text/html");
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
MHD_destroy_response(response);
return ret;
}
static int connection_handler(void * cls,
struct MHD_Connection *connection,
const char *url,
@ -63,9 +118,6 @@ static int connection_handler(void * cls,
void **ptr) {
struct ConnectionState *connstate;
struct MHD_Response *response;
int ret;
if (0 != strcmp(method, "GET")) {
LOG(LVL_WARN, "Unexpected method: %s.", method);
return MHD_NO;
@ -118,50 +170,9 @@ static int connection_handler(void * cls,
}
if(S_ISREG(connstate->targetStat.st_mode)) {
LOG(LVL_DEBUG, "Serving %s as a regular file.", connstate->localFileName);
// open a file descriptor to the file
int fd = open(connstate->localFileName, O_RDONLY);
if(fd == -1) {
LOG(LVL_ERR, "Cannot open %s: %s",
connstate->localFileName, strerror(errno));
return MHD_queue_response(connection, MHD_HTTP_FORBIDDEN, error403Response);
}
// no error so far -> serve the file
response = MHD_create_response_from_fd(
connstate->targetStat.st_size,
fd);
#ifdef HAVE_MAGIC
// if libmagic is available, determine the correct MIME type for the file
const char *mimeType = magic_file(magicCookie, connstate->localFileName);
LOG(LVL_DEBUG, "MIME type for %s: %s", connstate->localFileName, mimeType);
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_TYPE, mimeType);
#endif
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
MHD_destroy_response(response);
return ret;
return serv_regular_file(connection, connstate);
} else if(S_ISDIR(connstate->targetStat.st_mode)) {
LOG(LVL_DEBUG, "Generating directory listing for %s.", connstate->localFileName);
char *result = create_dirlisting(connstate->cleanedURL, connstate->localFileName);
if(!result) {
LOG(LVL_ERR, "Failed to generate dirlisting for %s.", connstate->localFileName);
return MHD_queue_response(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, error500Response);
}
response = MHD_create_response_from_buffer(
strlen(result), result, MHD_RESPMEM_MUST_FREE);
MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_TYPE, "text/html");
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
MHD_destroy_response(response);
return ret;
return serv_directory(connection, connstate);
} else {
LOG(LVL_WARN,
"%s is neither a directory nor a regular file. Don't allow the access.",