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-rw-r--r--frontends/gtk/fetch.c260
1 files changed, 260 insertions, 0 deletions
diff --git a/frontends/gtk/fetch.c b/frontends/gtk/fetch.c
new file mode 100644
index 000000000..06770b6b2
--- /dev/null
+++ b/frontends/gtk/fetch.c
@@ -0,0 +1,260 @@
+/*
+ * Copyright 2007, 2014 Vincent Sanders <vince@netsurf-browser.org>
+ * Copyright 2007 Rob Kendrick <rjek@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <string.h>
+#include <strings.h>
+#include <gtk/gtk.h>
+
+#include "utils/hashtable.h"
+#include "utils/log.h"
+#include "utils/filepath.h"
+#include "utils/file.h"
+#include "utils/nsurl.h"
+#include "desktop/gui_fetch.h"
+
+#include "gtk/gui.h"
+#include "gtk/resources.h"
+#include "gtk/fetch.h"
+
+#define HASH_SIZE 117
+#define MAX_LINE_LEN 256
+
+static struct hash_table *mime_hash = NULL;
+
+void gtk_fetch_filetype_init(const char *mimefile)
+{
+ struct stat statbuf;
+ FILE *fh = NULL;
+
+ mime_hash = hash_create(HASH_SIZE);
+
+ /* first, check to see if /etc/mime.types in preference */
+
+ if ((stat("/etc/mime.types", &statbuf) == 0) &&
+ S_ISREG(statbuf.st_mode)) {
+ mimefile = "/etc/mime.types";
+ }
+
+ fh = fopen(mimefile, "r");
+
+ /* Some OSes (mentioning no Solarises) have a worthlessly tiny
+ * /etc/mime.types that don't include essential things, so we
+ * pre-seed our hash with the essentials. These will get
+ * over-ridden if they are mentioned in the mime.types file.
+ */
+
+ hash_add(mime_hash, "css", "text/css");
+ hash_add(mime_hash, "htm", "text/html");
+ hash_add(mime_hash, "html", "text/html");
+ hash_add(mime_hash, "jpg", "image/jpeg");
+ hash_add(mime_hash, "jpeg", "image/jpeg");
+ hash_add(mime_hash, "gif", "image/gif");
+ hash_add(mime_hash, "png", "image/png");
+ hash_add(mime_hash, "jng", "image/jng");
+ hash_add(mime_hash, "mng", "image/mng");
+ hash_add(mime_hash, "webp", "image/webp");
+ hash_add(mime_hash, "spr", "image/x-riscos-sprite");
+
+ if (fh == NULL) {
+ LOG("Unable to open a mime.types file, so using a minimal one for you.");
+ return;
+ }
+
+ while (feof(fh) == 0) {
+ char line[MAX_LINE_LEN], *ptr, *type, *ext;
+
+ if (fgets(line, sizeof(line), fh) == NULL)
+ break;
+
+ if ((feof(fh) == 0) && line[0] != '#') {
+ ptr = line;
+
+ /* search for the first non-whitespace character */
+ while (isspace(*ptr)) {
+ ptr++;
+ }
+
+ /* is this line empty other than leading whitespace? */
+ if (*ptr == '\n' || *ptr == '\0') {
+ continue;
+ }
+
+ type = ptr;
+
+ /* search for the first non-whitespace char or NUL or
+ * NL */
+ while (*ptr && (!isspace(*ptr)) && *ptr != '\n') {
+ ptr++;
+ }
+
+ if (*ptr == '\0' || *ptr == '\n') {
+ /* this mimetype has no extensions - read next
+ * line.
+ */
+ continue;
+ }
+
+ *ptr++ = '\0';
+
+ /* search for the first non-whitespace character which
+ * will be the first filename extenion */
+ while (isspace(*ptr)) {
+ ptr++;
+ }
+
+ while (true) {
+ ext = ptr;
+
+ /* search for the first whitespace char or
+ * NUL or NL which is the end of the ext.
+ */
+ while (*ptr &&
+ (!isspace(*ptr)) &&
+ *ptr != '\n') {
+ ptr++;
+ }
+
+ if (*ptr == '\0' || *ptr == '\n') {
+ /* special case for last extension on
+ * the line
+ */
+ *ptr = '\0';
+ hash_add(mime_hash, ext, type);
+ break;
+ }
+
+ *ptr++ = '\0';
+ hash_add(mime_hash, ext, type);
+
+ /* search for the first non-whitespace char or
+ * NUL or NL, to find start of next ext.
+ */
+ while (*ptr &&
+ (isspace(*ptr)) &&
+ *ptr != '\n') {
+ ptr++;
+ }
+ }
+ }
+ }
+
+ fclose(fh);
+}
+
+void gtk_fetch_filetype_fin(void)
+{
+ hash_destroy(mime_hash);
+}
+
+const char *fetch_filetype(const char *unix_path)
+{
+ struct stat statbuf;
+ char *ext;
+ const char *ptr;
+ char *lowerchar;
+ const char *type;
+ int l;
+
+ /* stat the path to attempt to determine if the file is special */
+ if (stat(unix_path, &statbuf) == 0) {
+ /* stat suceeded so can check for directory */
+
+ if (S_ISDIR(statbuf.st_mode)) {
+ return "application/x-netsurf-directory";
+ }
+ }
+
+ l = strlen(unix_path);
+
+ /* Hacky RISC OS compatibility */
+ if ((3 < l) && (strcasecmp(unix_path + l - 4, ",f79") == 0)) {
+ return "text/css";
+ } else if ((3 < l) && (strcasecmp(unix_path + l - 4, ",faf") == 0)) {
+ return "text/html";
+ } else if ((3 < l) && (strcasecmp(unix_path + l - 4, ",b60") == 0)) {
+ return "image/png";
+ } else if ((3 < l) && (strcasecmp(unix_path + l - 4, ",ff9") == 0)) {
+ return "image/x-riscos-sprite";
+ }
+
+ if (strchr(unix_path, '.') == NULL) {
+ /* no extension anywhere! */
+ return "text/plain";
+ }
+
+ ptr = unix_path + strlen(unix_path);
+ while (*ptr != '.' && *ptr != '/') {
+ ptr--;
+ }
+
+ if (*ptr != '.') {
+ return "text/plain";
+ }
+
+ ext = strdup(ptr + 1); /* skip the . */
+
+ /* the hash table only contains lower-case versions - make sure this
+ * copy is lower case too.
+ */
+ lowerchar = ext;
+ while (*lowerchar) {
+ *lowerchar = tolower(*lowerchar);
+ lowerchar++;
+ }
+
+ type = hash_get(mime_hash, ext);
+ free(ext);
+
+ if (type == NULL) {
+ type = "text/plain";
+ }
+
+ return type;
+}
+
+
+static nsurl *nsgtk_get_resource_url(const char *path)
+{
+ char buf[PATH_MAX];
+ nsurl *url = NULL;
+
+ /* favicon.ico -> favicon.png */
+ if (strcmp(path, "favicon.ico") == 0) {
+ nsurl_create("resource:favicon.png", &url);
+ } else {
+ netsurf_path_to_nsurl(filepath_sfind(respaths, buf, path), &url);
+ }
+
+ return url;
+}
+
+static struct gui_fetch_table fetch_table = {
+ .filetype = fetch_filetype,
+
+ .get_resource_url = nsgtk_get_resource_url,
+ .get_resource_data = nsgtk_data_from_resname,
+};
+
+struct gui_fetch_table *nsgtk_fetch_table = &fetch_table;