From b0b2ec850f74d3dd8bd2fffa76fbd2af20b42705 Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Sun, 28 Dec 2003 02:35:46 +0000
Subject: [project @ 2003-12-28 02:35:46 by jmb] Remove expired cookies from
 the cookiejar. Cookies are removed every time a window is closed and when
 NetSurf is quit. /me slaps libcurl for not doing it itself.

Make cookie_create() read the cookie jar location from the messages file.

svn path=/import/netsurf/; revision=463
---
 utils/utils.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 utils/utils.h |  1 +
 2 files changed, 72 insertions(+)

(limited to 'utils')

diff --git a/utils/utils.c b/utils/utils.c
index 260c1f7ea..ecc31f995 100644
--- a/utils/utils.c
+++ b/utils/utils.c
@@ -15,6 +15,7 @@
 #include <uri.h>
 #include <sys/types.h>
 #include <regex.h>
+#include <time.h>
 #include "libxml/encoding.h"
 #include "libxml/uri.h"
 #ifdef riscos
@@ -305,3 +306,73 @@ void regcomp_wrapper(regex_t *preg, const char *regex, int cflags)
 	}
 }
 
+/**
+ * Remove expired cookies from the cookie jar.
+ * libcurl /really/ should do this for us.
+ * This gets called every time a window is closed or NetSurf is quit.
+ */
+
+void clean_cookiejar(void) {
+
+        FILE *fp;
+        int len;
+        char *cookies = 0, *pos;
+        char domain[256], flag[10], path[256], secure[10],
+             exp[50], name[256], val[256];
+        long int expiry;
+
+        fp = fopen(messages_get("cookiejar"), "r");
+        if (!fp) {
+                LOG(("Failed to open cookie jar"));
+                return;
+        }
+
+        /* read file length */
+        fseek(fp, 0, SEEK_END);
+        len = ftell(fp);
+        fseek(fp, 0, SEEK_SET);
+
+        cookies = xcalloc((unsigned int)len, sizeof(char));
+        fread(cookies, (unsigned int)len, sizeof(char), fp);
+        fclose(fp);
+
+        if (remove(messages_get("cookiejar"))) {
+                LOG(("Failed to remove old jar"));
+                xfree(cookies);
+                return;
+        }
+
+        fp = fopen(messages_get("cookiejar"), "w+");
+        if (!fp) {
+                xfree(cookies);
+                LOG(("Failed to create new jar"));
+                return;
+        }
+        /* write header */
+        fputs("# Netscape HTTP Cookie File\n"
+              "# http://www.netscape.com/newsref/std/cookie_spec.html\n"
+          "# This file was generated by libcurl! Edit at your own risk.\n\n",
+              fp);
+
+        pos = cookies;
+        while (pos != (cookies+len-1)) {
+                if (*pos == '#') {
+                        for (; *pos != '\n'; pos++);
+                                pos += 1;
+                                continue;
+                }
+                sscanf(pos, "%s\t%s\t%s\t%s\t%s\t%s\t%s\n", domain, flag,
+                       path, secure, exp, name, val);
+                pos += (strlen(domain) + strlen(flag) + strlen(path) +
+                        strlen(secure) + strlen(exp) + strlen(name) +
+                        strlen(val) + 7);
+                sscanf(exp, "%ld", &expiry);
+                if (time(NULL) < expiry) { /* cookie hasn't expired */
+                        fprintf(fp, "%s\t%s\t%s\t%s\t%s\t%s\t%s\n", domain,
+                                flag, path, secure, exp, name, val);
+                }
+        }
+        fclose(fp);
+
+        xfree(cookies);
+}
diff --git a/utils/utils.h b/utils/utils.h
index e3a210352..4feeb34a3 100644
--- a/utils/utils.h
+++ b/utils/utils.h
@@ -30,5 +30,6 @@ char *url_join(char *rel_url, char *base_url);
 char *get_host_from_url(char* url);
 bool is_dir(const char *path);
 void regcomp_wrapper(regex_t *preg, const char *regex, int cflags);
+void clean_cookiejar(void);
 
 #endif
-- 
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