mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-17 17:52:43 +03:00
203 lines
4.7 KiB
C
203 lines
4.7 KiB
C
/*
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* Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Interfaces for fetch table.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include "utils/nsurl.h"
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#include "utils/url.h"
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#include "utils/log.h"
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#include "utils/filepath.h"
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#include "desktop/gui.h"
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#include "framebuffer/findfile.h"
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#include "framebuffer/fetch.h"
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/**
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* Return the filename part of a full path
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*
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* \param path full path and filename
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* \return filename (will be freed with free())
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*/
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static char *filename_from_path(char *path)
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{
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char *leafname;
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leafname = strrchr(path, '/');
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if (!leafname)
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leafname = path;
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else
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leafname += 1;
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return strdup(leafname);
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}
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/**
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* Add a path component/filename to an existing path
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*
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* \param path buffer containing path + free space
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* \param length length of buffer "path"
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* \param newpart string containing path component to add to path
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* \return true on success
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*/
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static bool path_add_part(char *path, int length, const char *newpart)
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{
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if(path[strlen(path) - 1] != '/')
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strncat(path, "/", length);
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strncat(path, newpart, length);
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return true;
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}
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/**
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* Convert a pathname to a file: URL.
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*
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* \param path pathname
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* \return URL, allocated on heap, or NULL on failure
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*/
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static char *path_to_url(const char *path)
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{
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int urllen;
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char *url;
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if (path == NULL)
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return NULL;
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urllen = strlen(path) + FILE_SCHEME_PREFIX_LEN + 1;
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url = malloc(urllen);
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if (*path == '/') {
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path++; /* file: paths are already absolute */
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}
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snprintf(url, urllen, "%s%s", FILE_SCHEME_PREFIX, path);
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return url;
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}
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/**
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* Convert a file: URL to a pathname.
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*
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* \param url a file: URL
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* \return pathname, allocated on heap, or NULL on failure
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*/
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static char *url_to_path(const char *url)
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{
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char *path;
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char *respath;
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url_func_result res; /* result from url routines */
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res = url_path(url, &path);
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if (res != URL_FUNC_OK) {
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return NULL;
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}
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res = url_unescape(path, &respath);
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free(path);
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if (res != URL_FUNC_OK) {
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return NULL;
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}
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return respath;
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}
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/**
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* Translate resource to full url.
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*
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* Transforms a resource: path into a full URL. The returned URL
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* is used as the target for a redirect. The caller takes ownership of
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* the returned nsurl including unrefing it when finished with it.
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*
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* \param path The path of the resource to locate.
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* \return A string containing the full URL of the target object or
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* NULL if no suitable resource can be found.
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*/
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static nsurl *get_resource_url(const char *path)
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{
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char buf[PATH_MAX];
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char *raw;
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nsurl *url = NULL;
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if (strcmp(path, "favicon.ico") == 0)
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path = "favicon.png";
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raw = path_to_url(filepath_sfind(respaths, buf, path));
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if (raw != NULL) {
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nsurl_create(raw, &url);
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free(raw);
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}
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return url;
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}
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/**
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* filetype -- determine the MIME type of a local file
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*/
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static const char *fetch_filetype(const char *unix_path)
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{
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int l;
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LOG(("unix path %s", unix_path));
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l = strlen(unix_path);
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if (2 < l && strcasecmp(unix_path + l - 3, "css") == 0)
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return "text/css";
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if (2 < l && strcasecmp(unix_path + l - 3, "f79") == 0)
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return "text/css";
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if (2 < l && strcasecmp(unix_path + l - 3, "jpg") == 0)
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return "image/jpeg";
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if (3 < l && strcasecmp(unix_path + l - 4, "jpeg") == 0)
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return "image/jpeg";
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if (2 < l && strcasecmp(unix_path + l - 3, "gif") == 0)
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return "image/gif";
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if (2 < l && strcasecmp(unix_path + l - 3, "png") == 0)
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return "image/png";
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if (2 < l && strcasecmp(unix_path + l - 3, "b60") == 0)
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return "image/png";
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if (2 < l && strcasecmp(unix_path + l - 3, "jng") == 0)
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return "image/jng";
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if (2 < l && strcasecmp(unix_path + l - 3, "svg") == 0)
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return "image/svg";
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return "text/html";
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}
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static char *fetch_mimetype(const char *ro_path)
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{
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return strdup("text/plain");
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}
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/* table for fetch operations */
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static struct gui_fetch_table fetch_table = {
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.filename_from_path = filename_from_path,
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.path_add_part = path_add_part,
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.filetype = fetch_filetype,
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.path_to_url = path_to_url,
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.url_to_path = url_to_path,
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.get_resource_url = get_resource_url,
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.mimetype = fetch_mimetype,
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};
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struct gui_fetch_table *framebuffer_fetch_table = &fetch_table;
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