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netsurf/riscos/about.c
James Bursa 1c85bf0429 [project @ 2004-03-02 18:02:17 by bursa] 
Add new url functions and modify to use them.

svn path=/import/netsurf/; revision=578
2004-03-02 18:02:41 +00:00

300 lines
11 KiB
C
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/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2003,4 John M Bell <jmb202@ecs.soton.ac.uk>
*/
/** \file
* About page creation.
* Dynamically creates the about page, scanning for available plugin information.
*/
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <unixlib/local.h> /* for __unixify */
#include "oslib/fileswitch.h"
#include "oslib/osargs.h"
#include "oslib/osfile.h"
#include "oslib/osfind.h"
#include "oslib/osfscontrol.h"
#include "oslib/osgbpb.h"
#include "netsurf/utils/config.h"
#include "netsurf/desktop/browser.h"
#include "netsurf/desktop/netsurf.h"
#include "netsurf/utils/log.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/utils.h"
#ifdef WITH_ABOUT
static const char *pabouthdr = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/transitional.dtd\"><html><head><title>%s</title></head><body bgcolor=\"#f3f3ff\"><!-- About header --><table border=\"0\" width=\"100%%\" bgcolor=\"#94adff\" cellspacing=\"2\"><tr><td><a href=\"http://netsurf.sf.net\"><img src=\"file:///%%3CNetSurf$Dir%%3E/About/nslogo\" alt=\"Netsurf logo\"></a><td><table bgcolor=\"#94adff\" border=\"0\"><tr><td>&nbsp;<tr><td align=\"center\"><h2>NetSurf %s</h2><tr><td align=\"center\"><h5>Copyright &copy; 2002, 2003 NetSurf Developers.</h5><tr><td>&nbsp;</table></table><hr>"; /**< About page header */
static const char *pabtplghd = "<!-- Plugin information --><strong><i>The following plugins are installed on your system:</i></strong><br>&nbsp;<br><table border=\"0\" cellspacing=\"2\" width=\"100%\">"; /**< Plugin table header */
static const char *paboutpl1 = "<tr valign=\"top\"><td width=\"30%%\"><font size=\"2\"><strong>%s</strong></font></td><td width=\"70%%\"><font size=\"2\">%s</font></td></tr><tr><td colspan=\"2\" bgcolor=\"#dddddd\" height=\"1\"></td></tr>"; /**< Plugin entry without image */
static const char *paboutpl2 = "<tr valign=\"top\"><td width=\"30%%\"><font size=\"2\"><strong>%s</strong></font><br><img src=\"%s\" alt=\"%s\"></td><td width=\"70%%\"><font size=\"2\">%s</font></td></tr><tr><td colspan=\"2\" bgcolor=\"#dddddd\" height=\"1\"></td></tr>";/**< Plugin entry with image (filename=nn) */
static const char *paboutpl3 = "<tr valign=\"top\"><td width=\"30%%\"><font size=\"2\"><strong>%s</strong></font><br><img src=\"%s\" alt=\"%s\" width=\"%d\" height=\"%d\"></td><td width=\"70%%\"><font size=\"2\">%s</font></td></tr><tr><td colspan=\"2\" bgcolor=\"#dddddd\" height=\"1\"></td></tr>"; /**< Plugin entry with image (filename=nnwwwwhhhh) */
static const char *pabtplgft = "</table>"; /**< Plugin table footer */
static const char *paboutftr = "</div></body></html>"; /**< Page footer */
/**
* Create the browser about page.
*
* \param url requested url (about:...)
* \param callback content callback function, for content_add_user()
* \param p1 user parameter for callback
* \param p2 user parameter for callback
* \param width available width
* \param height available height
* \return a new content containing the about page
*/
struct content *about_create(const char *url,
void (*callback)(content_msg msg, struct content *c, void *p1,
void *p2, const char *error),
void *p1, void *p2, unsigned long width, unsigned long height)
{
struct content *c = 0;
FILE *fp;
char *buf, *val, var[20], *ptype, *pdetails, *fname, *furl;
int i, nofiles, j, w, h, size;
fileswitch_object_type fot;
os_error *e;
const char *params[] = { 0 };
c = content_create(url);
c->width = width;
c->height = height;
content_add_user(c, callback, p1, p2);
content_set_type(c, CONTENT_HTML, "text/html", params);
/* Page header */
buf = xcalloc(strlen(pabouthdr) + 50, sizeof(char));
snprintf(buf, strlen(pabouthdr) + 50, pabouthdr, "About NetSurf",
netsurf_version);
content_process_data(c, buf, strlen(buf));
free(buf);
/* browser details */
buf = load("<NetSurf$Dir>.About.About");
content_process_data(c, buf, strlen(buf));
free(buf);
/* plugin header */
content_process_data(c, pabtplghd, strlen(pabtplghd));
/* plugins registered */
for (i=0; i!=4096; i++) {
sprintf(var, "Plugin$About_%3.3x", i);
if ((val = getenv(var)) != 0) {
/* Plugin Name */
sprintf(var, "Plugin$Type_%3.3x", i);
ptype = getenv(var);
buf = xcalloc(strlen(val) + 20, sizeof(char));
/* count files which match <Plugin$About_i>.About* */
sprintf(buf, "%s.About*", val);
xosfscontrol_count(buf,0,0,0,0,0,0,&nofiles);
for (j=0; j!=nofiles; j++) {
/* get plugin details */
if (j == 0) {
sprintf(buf, "%s.About", val);
}
else {
sprintf(buf, "%s.About%2.2d", val, j);
}
e = xosfile_read_stamped_no_path(buf,&fot,0,0,&size,0,0);
/* If only one file, name can be "About" or "About00" */
if(e || (j == 0 && (int)fot != 1)) {
sprintf(buf, "%s.About%2.2d", val, j);
e = xosfile_read_stamped_no_path(buf,&fot,0,0,&size,0,0);
}
/* ok, no file found. try again */
if(e || (int)fot != 1) {
continue;
}
/* read contents of file */
fp = fopen(buf, "r");
pdetails = xcalloc((unsigned int)size + 10, sizeof(char));
fread(pdetails, sizeof(char), (unsigned int)size, fp);
fclose(fp);
/* now see if there's an image to display */
sprintf(buf, "%s.%2.2d", val, j);
LOG(("buf: %s", buf));
e = xosfile_read_stamped_no_path(buf,&fot,0,0,0,0,0);
if(e || (int)fot != 1) {
sprintf(buf, "%s.%2.2d*", val, j);
LOG(("buf: %s", buf));
e = xosfile_read_stamped_no_path(buf,&fot,0,0,0,0,0);
if(e || (int)fot != 1) {
/* Type 1: no image file */
furl = xcalloc(strlen(paboutpl1) + strlen(ptype) + strlen(pdetails) + 10, sizeof(char));
sprintf(furl, paboutpl1, ptype, pdetails);
LOG(("furl: %s", furl));
content_process_data(c, furl, strlen(furl));
xfree(pdetails);
continue;
}
else {
void *name;
/* Type 3: image file with name xxwwwwhhhh */
/* get actual file name */
sprintf(var, "%2.2d*", j);
LOG(("var: %s", var));
name = (void*)xcalloc((unsigned int)20, sizeof(char));
e = xosgbpb_dir_entries(val, (osgbpb_string_list*)name,
1, 0, 255, var, NULL, NULL);
if (e) {
LOG(("%s", e->errmess));
xfree(name);
xfree(pdetails);
continue;
}
LOG(("fname: %s", (char*)name));
sprintf(buf, "%s.%s", val, (char*)name);
furl = xcalloc(strlen(buf) + 20, sizeof(char));
/* grab leafname and get width and height */
h = atoi((char*)name+6);
((char*)name)[6] = 0;
w = atoi((char*)name+2);
xfree(name);
/* convert to URL */
__unixify(buf, 0, furl, strlen(buf)+20, 0);
sprintf(buf, "file://%s", furl);
xfree(furl);
LOG(("furl: %s", buf));
furl = xcalloc(strlen(paboutpl3) + strlen(ptype) + strlen(buf) +
strlen(pdetails) + 10, sizeof(char));
sprintf(furl, paboutpl3, ptype, buf, ptype, w, h, pdetails);
content_process_data(c, furl, strlen(furl));
xfree(pdetails);
continue;
}
}
else {
/* Type 2: image file with name xx */
/* convert RO path to url */
fname = xcalloc(strlen(buf) + 10, sizeof(char));
furl = xcalloc(strlen(buf) + 10, sizeof(char));
__unixify(buf, 0, furl, strlen(buf) + 10, 0);
sprintf(fname, "file://%s", furl);
xfree(furl);
furl = xcalloc(strlen(paboutpl2) + strlen(ptype) + strlen(fname) + strlen(pdetails) + 10, sizeof(char));
sprintf(furl, paboutpl2, ptype, fname, ptype, pdetails);
content_process_data(c, furl, strlen(furl));
xfree(fname);
xfree(pdetails);
}
}
if (buf != 0) {
xfree(buf);
}
}
}
/* plugin footer */
content_process_data(c, pabtplgft, strlen(pabtplgft));
/* Page footer */
content_process_data(c, paboutftr, strlen(paboutftr));
content_convert(c, c->width, c->height);
return c;
}
#ifdef WITH_COOKIES
/**
* Creates the cookie list and stores it in <Wimp$ScrapDir>.WWW.Netsurf
*/
void cookie_create(void) {
FILE *fp;
int len, count=0;
char *cookies = 0, *pos;
char domain[256], flag[10], path[256], secure[10],
exp[50], name[256], val[256];
unsigned int expiry;
fp = fopen(messages_get("cookiefile"), "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);
xosfile_create_dir("<Wimp$ScrapDir>.WWW", 77);
xosfile_create_dir("<Wimp$ScrapDir>.WWW.NetSurf", 77);
fp = fopen("<Wimp$ScrapDir>.WWW.NetSurf.Cookies", "w+");
if (!fp) {
xfree(cookies);
LOG(("Failed to create file"));
return;
}
fprintf(fp, pabouthdr, "About NetSurf - Cookies", netsurf_version);
fprintf(fp, "<strong><i>The following cookies are stored on your system:</i></strong><div align=\"center\"><table cellspacing=\"2\" cellpadding=\"2\" width=\"100%%\"><strong><thead><td nowrap>Domain:</td><td nowrap>Flag:</td><td nowrap>Path:</td><td nowrap>Secure:</td><td nowrap>Expiration:</td><td nowrap>Name:</td><td nowrap>Value:</td></thead></strong><tbody>");
pos = cookies;
while (pos != (cookies+len-1)) {
if (*pos == '#') {
for (; *pos != '\n'; pos++);
pos += 1;
continue;
}
sscanf(pos, "%s\t%s\t%s\t%s\t%s\t%s\t%s\n", domain, flag, path, secure,
exp, name, val);
pos += (strlen(domain) + strlen(flag) + strlen(path) + strlen(secure) +
strlen(exp) + strlen(name) +strlen(val) + 7);
sscanf(exp, "%u", &expiry);
fprintf(fp, "<tr%s><td nowrap>%s</td><td nowrap>%s</td><td nowrap>%s</td><td nowrap>%s</td><td nowrap>%s</td><td nowrap>%s</td><td nowrap>%s</td></tr>", (count%2 == 0 ? " bgcolor=\"#ddddee\"" : ""), domain, flag, path, secure,
(expiry == 0 ? "Expires on exit" : ctime((time_t*)&expiry)), name, val);
count++;
}
fprintf(fp, "</tbody></table></div></body></html>");
fclose(fp);
xosfile_set_type("<Wimp$ScrapDir>.WWW.NetSurf.Cookies", 0xfaf);
xfree(cookies);
return;
}
#endif
/**
* Clean up created files
*/
void about_quit(void) {
xosfile_delete("<Wimp$ScrapDir>.WWW.NetSurf.About", 0, 0, 0, 0, 0);
#ifdef WITH_COOKIES
xosfile_delete("<Wimp$ScrapDir>.WWW.NetSurf.Cookies", 0, 0, 0, 0, 0);
#endif
}
#endif
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