treebird/src/path.c

147 lines
3.5 KiB
C

/*
* Treebird - Lightweight frontend for Pleroma
*
* Licensed under the BSD 3-Clause License
*/
#include <string.h>
#include <stdlib.h>
#include "path.h"
#include "index.h"
#include "account.h"
#include "error.h"
#include "session.h"
#include "helpers.h"
int parse_path(REQUEST_T req,
struct session* ssn,
mastodont_t* api,
struct path_info* path_info)
{
int res = -1;
int fail = 0, fin = 0;
char* p = path_info->path + 1;
char* p2 = GET_ENV("PATH_INFO", req) + 1;
// Stored into data
char* tmp = NULL;
char** data = NULL;
size_t size = 0;
char* after_str = 0;
size_t read_len;
for (int i = 0, j = 0; p[j] || p2[i]; (++i, ++j))
switch (p[j])
{
case ':':
// TODO null check
if (p[j+1] == '\0')
{
after_str = strchr(p2 + i, '/');
if (!after_str)
after_str = p2+i + strlen(p2+i);
fin = 1;
}
else
after_str = strstr(p2 + i, "/");
if (!after_str)
{
fail = 1;
goto breakpt;
}
read_len = (size_t)after_str - (size_t)(p2 + i);
// Copy in new data from the string we just read
tmp = tb_malloc(read_len+1);
strncpy(tmp, after_str - read_len, read_len);
tmp[read_len] = '\0';
// Add our new string
data = tb_realloc(data, ++size * sizeof(tmp));
data[size-1] = tmp;
// Move ahead (-1 because we move again)
i += read_len - 1;
if (fin) goto breakpt;
break;
default:
if (p2[i] == '/' && p[j] == '\0') goto breakpt;
if (p[j] != p2[i])
{
fail = 1;
goto breakpt;
}
break;
}
breakpt:
if (!fail)
{
res = path_info->callback(req, ssn, api, data);
}
else
{
res = -1;
}
// Cleanup
for (size_t i = 0; i < size; ++i)
{
tb_free(data[i]);
}
if (data) tb_free(data);
return res;
}
struct path_args_data*
path_args_data_create(REQUEST_T req,
struct session* ssn,
mastodont_t* api,
void* data)
{
struct path_args_data* _data = malloc(sizeof(struct path_args_data));
if (!_data)
{
perror("malloc");
}
_data->req = req;
_data->ssn = ssn;
_data->api = api;
_data->data = data;
return _data;
}
void
path_args_data_destroy(struct path_args_data* refs)
{
session_cleanup(refs->ssn);
FCGX_Finish_r(refs->req);
free(refs->req);
}
int handle_paths(REQUEST_T req,
struct session* ssn,
mastodont_t* api,
struct path_info* paths,
size_t paths_len)
{
int res;
char* path = GET_ENV("PATH_INFO", req);
// "default" path OpenBSD httpd likes to return this one vv
if (path == NULL || (path && (strcmp(path, "/") == 0 || strcmp(path, "") == 0)))
{
return content_index(req, ssn, api);
}
else { // Generic path
debug("Path: %s", path);
for (size_t i = 0; i < paths_len; ++i)
{
if ((res = parse_path(req, ssn, api, paths + i)) != -1)
return res;
}
// Fell out, return 404
content_not_found(req, ssn, api, path);
return 0;
}
}