1 files changed, 150 insertions, 0 deletions
diff --git a/urlopen.c b/urlopen.c
new file mode 100644
index 0000000..8b549ff
--- /dev/null
+++ b/urlopen.c
@@ -0,0 +1,150 @@
+/*
+ * a simple urlopener
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program 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 <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+
+#define LEN(arr) ((int) (sizeof (arr) / sizeof (arr)[0]))
+
+char *programs[][2] =
+{
+	{"default", /* this is the default program */	"/usr/bin/qutebrowser"},
+	{"jpg,jpeg,png",				"/usr/bin/feh"},
+	{"gif,gifv,webm,mp4,mp3,wav,flac", 		"/usr/bin/mpv --loop --force-window=yes"},
+	{"pdf",						"mupdf"}
+};
+
+int
+islink(char *url)
+{
+	/*
+	 * terribly check if something has a "protocol://"
+	 * if it does, we assume it is a link
+	 */
+	char *p = NULL;
+	if ((p = strstr(url, "://")))
+	{
+		int s = (p-url);
+		/*
+		 * check if the number of characters before the '://' is >0 && <5 && contains a '.'
+		 * 10 is a guess, i have no idea what the limit of a protocol identifier is
+		 */
+		if (s > 0 && s <= 10 && strchr(url, '.') != NULL)
+			// it's probably a link
+			return 1;
+	}
+	return 0;
+}
+
+int
+getext(char *url)
+{
+	/* 
+	 * check if the extension of the url (if exists) is in our array
+	 * if it is, return the index on the array, otherwise 0
+	 */
+	 int ret = 0;
+	char *p = NULL;
+	if ((p = strrchr(url, '.')+1))
+	{
+		for (int i = 0; i < LEN(programs); i++)
+		{
+			char *buff = malloc(256);
+			if (buff == NULL)
+				return 0;
+			strncpy(buff, programs[i][0], 255);
+			char *t = strtok(buff, ",");
+			while (t != NULL)
+			{
+				if (strcmp(t, p) == 0)
+				{
+					ret = i;
+				}
+				t = strtok(NULL, ",");
+			}
+			free(buff);
+		}
+	}
+	return ret;
+}
+
+int
+main(int argc, char *argv[])
+{
+	int link = 0;
+	int ext = 0;
+	// we don't care about children
+	signal(SIGCHLD, SIG_IGN);
+	for (int i = 1; i < argc; i++)
+	{
+		/*
+		 * loop through every argument, check if it is a link
+		 * if we think it is a link, check if the extension exists in the array
+		 * fork, execute
+		 */
+		link = islink(argv[i]);
+		//printf("%s is probably %s link\n", argv[i], (link == 1) ? "a" : "not a");
+		if (link == 1)
+		{
+			ext = getext(argv[i]);
+			//printf("program to run is: \"%s %s\"\n", programs[ext][1], argv[i]);
+			pid_t pid = fork();
+			if (pid == 0)
+			{
+				// child process
+				// close std{out,err}
+				fclose(stdout);
+				fclose(stderr);
+				char *args[20];
+				char *buff = malloc(256);
+				if (buff == NULL)
+				{
+					perror("malloc");
+					return -1;
+				}
+				/*
+				 * the program we're calling might have arguments,
+				 * so we tokenise the string and add each part to an array
+				 * that we will use in execvp
+				 */
+				strncpy(buff, programs[ext][1], 255);
+				char *t = strtok(buff, " ");
+				args[0] = t;
+				int z = 0;
+				while (t != NULL)
+				{
+					args[z] = t;
+					t = strtok(NULL, " ");
+					z++;
+				}
+				args[z] = argv[i];
+				args[z+1] = (char *)0;
+				execvp(args[0], args);
+				_exit(1);
+			}
+			else if (pid == -1)
+			{
+				perror("fork error");
+			}
+		}
+	}
+	return 0;
+}