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split out the about scheme imagecache page generator

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This commit is contained in:
Vincent Sanders 2020-09-20 16:36:01 +01:00
parent c74509cdf5
commit 5207ecf308
7 changed files with 397 additions and 246 deletions
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2
content/fetchers/about/Makefile
View File

@ -1,6 +1,6 @@
# about fetcher sources
S_FETCHER_ABOUT := about.c
S_FETCHER_ABOUT := about.c imagecache.c
# The following files depend on the testament
content/fetchers/about/about.c: testament $(OBJROOT)/testament.h

361
content/fetchers/about/about.c
View File

@ -45,14 +45,13 @@
#include "content/fetch.h"
#include "content/fetchers.h"
#include "image/image_cache.h"
#include "desktop/system_colour.h"
#include "private.h"
#include "imagecache.h"
#include "about.h"
struct fetch_about_context;
typedef bool (*fetch_about_handler)(struct fetch_about_context *);
/**
@ -87,10 +86,11 @@ struct about_handlers {
};
/**
* issue fetch callbacks with locking
*/
static inline bool
static bool
fetch_about_send_callback(const fetch_msg *msg, struct fetch_about_context *ctx)
{
ctx->locked = true;
@ -100,7 +100,8 @@ fetch_about_send_callback(const fetch_msg *msg, struct fetch_about_context *ctx)
return ctx->aborted;
}
static inline bool
/* exported interface documented in about/private.h */
bool
fetch_about_send_finished(struct fetch_about_context *ctx)
{
fetch_msg msg;
@ -108,7 +109,16 @@ fetch_about_send_finished(struct fetch_about_context *ctx)
return fetch_about_send_callback(&msg, ctx);
}
static bool
/* exported interface documented in about/private.h */
bool fetch_about_set_http_code(struct fetch_about_context *ctx, long code)
{
fetch_set_http_code(ctx->fetchh, code);
return ctx->aborted;
}
/* exported interface documented in about/private.h */
bool
fetch_about_send_header(struct fetch_about_context *ctx, const char *fmt, ...)
{
char header[64];
@ -128,10 +138,26 @@ fetch_about_send_header(struct fetch_about_context *ctx, const char *fmt, ...)
return fetch_about_send_callback(&msg, ctx);
}
/**
* send formatted data on a fetch
*/
static nserror ssenddataf(struct fetch_about_context *ctx, const char *fmt, ...)
/* exported interface documented in about/private.h */
nserror
fetch_about_senddata(struct fetch_about_context *ctx, const uint8_t *data, size_t data_len)
{
fetch_msg msg;
msg.type = FETCH_DATA;
msg.data.header_or_data.buf = data;
msg.data.header_or_data.len = data_len;
if (fetch_about_send_callback(&msg, ctx)) {
return NSERROR_INVALID;
}
return NSERROR_OK;
}
/* exported interface documented in about/private.h */
nserror
fetch_about_ssenddataf(struct fetch_about_context *ctx, const char *fmt, ...)
{
char buffer[1024];
char *dbuff;
@ -198,7 +224,7 @@ static bool fetch_about_srverror(struct fetch_about_context *ctx)
if (fetch_about_send_header(ctx, "Content-Type: text/plain"))
return false;
res = ssenddataf(ctx, "Server error 500");
res = fetch_about_ssenddataf(ctx, "Server error 500");
if (res != NSERROR_OK) {
return false;
}
@ -289,153 +315,6 @@ static bool fetch_about_licence_handler(struct fetch_about_context *ctx)
}
/**
* Handler to generate about:imagecache page.
*
* Shows details of current image cache.
*
* \param ctx The fetcher context.
* \return true if handled false if aborted.
*/
static bool fetch_about_imagecache_handler(struct fetch_about_context *ctx)
{
fetch_msg msg;
char buffer[2048]; /* output buffer */
int code = 200;
int slen;
unsigned int cent_loop = 0;
int elen = 0; /* entry length */
nserror res;
bool even = false;
/* content is going to return ok */
fetch_set_http_code(ctx->fetchh, code);
/* content type */
if (fetch_about_send_header(ctx, "Content-Type: text/html"))
goto fetch_about_imagecache_handler_aborted;
/* page head */
res = ssenddataf(ctx,
"<html>\n<head>\n"
"<title>Image Cache Status</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
"href=\"resource:internal.css\">\n"
"</head>\n"
"<body id =\"cachelist\" class=\"ns-even-bg ns-even-fg ns-border\">\n"
"<h1 class=\"ns-border\">Image Cache Status</h1>\n");
if (res != NSERROR_OK) {
goto fetch_about_imagecache_handler_aborted;
}
/* image cache summary */
slen = image_cache_snsummaryf(buffer, sizeof(buffer),
"<p>Configured limit of %a hysteresis of %b</p>\n"
"<p>Total bitmap size in use %c (in %d)</p>\n"
"<p>Age %es</p>\n"
"<p>Peak size %f (in %g)</p>\n"
"<p>Peak image count %h (size %i)</p>\n"
"<p>Cache total/hit/miss/fail (counts) %j/%k/%l/%m "
"(%pj%%/%pk%%/%pl%%/%pm%%)</p>\n"
"<p>Cache total/hit/miss/fail (size) %n/%o/%q/%r "
"(%pn%%/%po%%/%pq%%/%pr%%)</p>\n"
"<p>Total images never rendered: %s "
"(includes %t that were converted)</p>\n"
"<p>Total number of excessive conversions: %u "
"(from %v images converted more than once)"
"</p>\n"
"<p>Bitmap of size %w had most (%x) conversions</p>\n"
"<h2 class=\"ns-border\">Current contents</h2>\n");
if (slen >= (int) (sizeof(buffer))) {
goto fetch_about_imagecache_handler_aborted; /* overflow */
}
/* send image cache summary */
msg.type = FETCH_DATA;
msg.data.header_or_data.buf = (const uint8_t *) buffer;
msg.data.header_or_data.len = slen;
if (fetch_about_send_callback(&msg, ctx)) {
goto fetch_about_imagecache_handler_aborted;
}
/* image cache entry table */
res = ssenddataf(ctx, "<p class=\"imagecachelist\">\n"
"<strong>"
"<span>Entry</span>"
"<span>Content Key</span>"
"<span>Redraw Count</span>"
"<span>Conversion Count</span>"
"<span>Last Redraw</span>"
"<span>Bitmap Age</span>"
"<span>Bitmap Size</span>"
"<span>Source</span>"
"</strong>\n");
if (res != NSERROR_OK) {
goto fetch_about_imagecache_handler_aborted;
}
slen = 0;
do {
if (even) {
elen = image_cache_snentryf(buffer + slen,
sizeof buffer - slen,
cent_loop,
"<a href=\"%U\">"
"<span class=\"ns-border\">%e</span>"
"<span class=\"ns-border\">%k</span>"
"<span class=\"ns-border\">%r</span>"
"<span class=\"ns-border\">%c</span>"
"<span class=\"ns-border\">%a</span>"
"<span class=\"ns-border\">%g</span>"
"<span class=\"ns-border\">%s</span>"
"<span class=\"ns-border\">%o</span>"
"</a>\n");
} else {
elen = image_cache_snentryf(buffer + slen,
sizeof buffer - slen,
cent_loop,
"<a class=\"ns-odd-bg\" href=\"%U\">"
"<span class=\"ns-border\">%e</span>"
"<span class=\"ns-border\">%k</span>"
"<span class=\"ns-border\">%r</span>"
"<span class=\"ns-border\">%c</span>"
"<span class=\"ns-border\">%a</span>"
"<span class=\"ns-border\">%g</span>"
"<span class=\"ns-border\">%s</span>"
"<span class=\"ns-border\">%o</span>"
"</a>\n");
}
if (elen <= 0)
break; /* last option */
if (elen >= (int) (sizeof buffer - slen)) {
/* last entry would not fit in buffer, submit buffer */
msg.data.header_or_data.len = slen;
if (fetch_about_send_callback(&msg, ctx))
goto fetch_about_imagecache_handler_aborted;
slen = 0;
} else {
/* normal addition */
slen += elen;
cent_loop++;
even = !even;
}
} while (elen > 0);
slen += snprintf(buffer + slen, sizeof buffer - slen,
"</p>\n</body>\n</html>\n");
msg.data.header_or_data.len = slen;
if (fetch_about_send_callback(&msg, ctx))
goto fetch_about_imagecache_handler_aborted;
fetch_about_send_finished(ctx);
return true;
fetch_about_imagecache_handler_aborted:
return false;
}
/**
* certificate name parameters
@ -1155,7 +1034,7 @@ format_certificate_name(struct fetch_about_context *ctx,
struct ns_cert_name *cert_name)
{
nserror res;
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Common Name</th><td>%s</td></tr>\n",
cert_name->common_name);
if (res != NSERROR_OK) {
@ -1163,7 +1042,7 @@ format_certificate_name(struct fetch_about_context *ctx,
}
if (cert_name->organisation != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Organisation</th><td>%s</td></tr>\n",
cert_name->organisation);
if (res != NSERROR_OK) {
@ -1172,7 +1051,7 @@ format_certificate_name(struct fetch_about_context *ctx,
}
if (cert_name->organisation_unit != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Organisation Unit</th><td>%s</td></tr>\n",
cert_name->organisation_unit);
if (res != NSERROR_OK) {
@ -1181,7 +1060,7 @@ format_certificate_name(struct fetch_about_context *ctx,
}
if (cert_name->locality != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Locality</th><td>%s</td></tr>\n",
cert_name->locality);
if (res != NSERROR_OK) {
@ -1190,7 +1069,7 @@ format_certificate_name(struct fetch_about_context *ctx,
}
if (cert_name->province != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Privince</th><td>%s</td></tr>\n",
cert_name->province);
if (res != NSERROR_OK) {
@ -1199,7 +1078,7 @@ format_certificate_name(struct fetch_about_context *ctx,
}
if (cert_name->country != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Country</th><td>%s</td></tr>\n",
cert_name->country);
if (res != NSERROR_OK) {
@ -1223,7 +1102,7 @@ format_certificate_san(struct fetch_about_context *ctx,
return NSERROR_OK;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr><th>Alternative Names</th><td><hr></td></tr>\n");
if (res != NSERROR_OK) {
@ -1231,7 +1110,7 @@ format_certificate_san(struct fetch_about_context *ctx,
}
while (san != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>DNS Name</th><td>%s</td></tr>\n",
san->name);
if (res != NSERROR_OK) {
@ -1241,7 +1120,7 @@ format_certificate_san(struct fetch_about_context *ctx,
san = san->next;
}
res = ssenddataf(ctx, "</table>\n");
res = fetch_about_ssenddataf(ctx, "</table>\n");
return res;
@ -1259,7 +1138,7 @@ format_certificate_public_key(struct fetch_about_context *ctx,
return NSERROR_OK;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr><th>Public Key</th><td><hr></td></tr>\n"
"<tr><th>Algorithm</th><td>%s</td></tr>\n"
@ -1272,7 +1151,7 @@ format_certificate_public_key(struct fetch_about_context *ctx,
if (public_key->exponent != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Exponent</th><td>%s</td></tr>\n",
public_key->exponent);
if (res != NSERROR_OK) {
@ -1281,7 +1160,7 @@ format_certificate_public_key(struct fetch_about_context *ctx,
}
if (public_key->modulus != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Modulus</th><td class=\"data\">%s</td></tr>\n",
public_key->modulus);
if (res != NSERROR_OK) {
@ -1290,7 +1169,7 @@ format_certificate_public_key(struct fetch_about_context *ctx,
}
if (public_key->curve != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Curve</th><td>%s</td></tr>\n",
public_key->curve);
if (res != NSERROR_OK) {
@ -1299,7 +1178,7 @@ format_certificate_public_key(struct fetch_about_context *ctx,
}
if (public_key->public != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Public Value</th><td>%s</td></tr>\n",
public_key->public);
if (res != NSERROR_OK) {
@ -1307,7 +1186,7 @@ format_certificate_public_key(struct fetch_about_context *ctx,
}
}
res = ssenddataf(ctx, "</table>\n");
res = fetch_about_ssenddataf(ctx, "</table>\n");
return res;
}
@ -1325,7 +1204,7 @@ format_certificate_fingerprint(struct fetch_about_context *ctx,
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr><th>Fingerprints</th><td><hr></td></tr>\n");
if (res != NSERROR_OK) {
@ -1333,7 +1212,7 @@ format_certificate_fingerprint(struct fetch_about_context *ctx,
}
if (cert_info->sha256fingerprint != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>SHA-256</th><td class=\"data\">%s</td></tr>\n",
cert_info->sha256fingerprint);
if (res != NSERROR_OK) {
@ -1342,7 +1221,7 @@ format_certificate_fingerprint(struct fetch_about_context *ctx,
}
if (cert_info->sha1fingerprint != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>SHA-1</th><td class=\"data\">%s</td></tr>\n",
cert_info->sha1fingerprint);
if (res != NSERROR_OK) {
@ -1350,7 +1229,7 @@ format_certificate_fingerprint(struct fetch_about_context *ctx,
}
}
res = ssenddataf(ctx, "</table>\n");
res = fetch_about_ssenddataf(ctx, "</table>\n");
return res;
}
@ -1362,7 +1241,7 @@ format_certificate(struct fetch_about_context *ctx,
{
nserror res;
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<h2 id=\"%"PRIsizet"\" class=\"ns-border\">%s</h2>\n",
depth, cert_info->subject_name.common_name);
if (res != NSERROR_OK) {
@ -1370,7 +1249,7 @@ format_certificate(struct fetch_about_context *ctx,
}
if (cert_info->err != SSL_CERT_ERR_OK) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr class=\"ns-even-fg-bad\">"
"<th>Fault</th>"
@ -1383,7 +1262,7 @@ format_certificate(struct fetch_about_context *ctx,
}
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr><th>Issued To</th><td><hr></td></tr>\n");
if (res != NSERROR_OK) {
@ -1395,13 +1274,13 @@ format_certificate(struct fetch_about_context *ctx,
return res;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"</table>\n");
if (res != NSERROR_OK) {
return res;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr><th>Issued By</th><td><hr></td></tr>\n");
if (res != NSERROR_OK) {
@ -1413,13 +1292,13 @@ format_certificate(struct fetch_about_context *ctx,
return res;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"</table>\n");
if (res != NSERROR_OK) {
return res;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr><th>Validity</th><td><hr></td></tr>\n"
"<tr><th>Valid From</th><td>%s</td></tr>\n"
@ -1441,7 +1320,7 @@ format_certificate(struct fetch_about_context *ctx,
return res;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<table class=\"info\">\n"
"<tr><th>Miscellaneous</th><td><hr></td></tr>\n");
if (res != NSERROR_OK) {
@ -1449,7 +1328,7 @@ format_certificate(struct fetch_about_context *ctx,
}
if (cert_info->serialnum != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Serial Number</th><td>%s</td></tr>\n",
cert_info->serialnum);
if (res != NSERROR_OK) {
@ -1458,7 +1337,7 @@ format_certificate(struct fetch_about_context *ctx,
}
if (cert_info->sig_algor != NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Signature Algorithm</th>"
"<td>%s</td></tr>\n",
cert_info->sig_algor);
@ -1467,7 +1346,7 @@ format_certificate(struct fetch_about_context *ctx,
}
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr><th>Version</th><td>%ld</td></tr>\n"
"</table>\n",
cert_info->version);
@ -1505,7 +1384,7 @@ static bool fetch_about_certificate_handler(struct fetch_about_context *ctx)
goto fetch_about_certificate_handler_aborted;
/* page head */
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>NetSurf Browser Certificate Viewer</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
@ -1519,7 +1398,7 @@ static bool fetch_about_certificate_handler(struct fetch_about_context *ctx)
res = cert_chain_from_query(ctx->url, &chain);
if (res != NSERROR_OK) {
res = ssenddataf(ctx, "<p>Could not process that</p>\n");
res = fetch_about_ssenddataf(ctx, "<p>Could not process that</p>\n");
if (res != NSERROR_OK) {
goto fetch_about_certificate_handler_aborted;
}
@ -1528,14 +1407,14 @@ static bool fetch_about_certificate_handler(struct fetch_about_context *ctx)
res = convert_chain_to_cert_info(chain, &cert_info);
if (res == NSERROR_OK) {
size_t depth;
res = ssenddataf(ctx, "<ul>\n");
res = fetch_about_ssenddataf(ctx, "<ul>\n");
if (res != NSERROR_OK) {
free_ns_cert_info(cert_info);
goto fetch_about_certificate_handler_aborted;
}
for (depth = 0; depth < chain->depth; depth++) {
res = ssenddataf(ctx, "<li><a href=\"#%"PRIsizet"\">%s</a></li>\n",
res = fetch_about_ssenddataf(ctx, "<li><a href=\"#%"PRIsizet"\">%s</a></li>\n",
depth, (cert_info + depth)
->subject_name
.common_name);
@ -1546,7 +1425,7 @@ static bool fetch_about_certificate_handler(struct fetch_about_context *ctx)
}
res = ssenddataf(ctx, "</ul>\n");
res = fetch_about_ssenddataf(ctx, "</ul>\n");
if (res != NSERROR_OK) {
free_ns_cert_info(cert_info);
goto fetch_about_certificate_handler_aborted;
@ -1564,7 +1443,7 @@ static bool fetch_about_certificate_handler(struct fetch_about_context *ctx)
free_ns_cert_info(cert_info);
} else {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<p>Invalid certificate data</p>\n");
if (res != NSERROR_OK) {
goto fetch_about_certificate_handler_aborted;
@ -1574,7 +1453,7 @@ static bool fetch_about_certificate_handler(struct fetch_about_context *ctx)
/* page footer */
res = ssenddataf(ctx, "</body>\n</html>\n");
res = fetch_about_ssenddataf(ctx, "</body>\n</html>\n");
if (res != NSERROR_OK) {
goto fetch_about_certificate_handler_aborted;
}
@ -1615,7 +1494,7 @@ static bool fetch_about_config_handler(struct fetch_about_context *ctx)
goto fetch_about_config_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>NetSurf Browser Config</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
@ -1717,7 +1596,7 @@ static bool fetch_about_nscolours_handler(struct fetch_about_context *ctx)
goto aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"html {\n"
"\tbackground-color: #%06x;\n"
"}\n"
@ -1826,13 +1705,13 @@ static bool fetch_about_testament_handler(struct fetch_about_context *ctx)
if (fetch_about_send_header(ctx, "Content-Type: text/plain"))
goto fetch_about_testament_handler_aborted;
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"# Automatically generated by NetSurf build system\n\n");
if (res != NSERROR_OK) {
goto fetch_about_testament_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
#if defined(WT_BRANCHISTRUNK) || defined(WT_BRANCHISMASTER)
"# This is a *DEVELOPMENT* build from the main line.\n\n"
#elif defined(WT_BRANCHISTAG) && (WT_MODIFIED == 0)
@ -1857,31 +1736,31 @@ static bool fetch_about_testament_handler(struct fetch_about_context *ctx)
goto fetch_about_testament_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"Built by %s (%s) from %s at revision %s on %s\n\n",
GECOS, USERNAME, WT_BRANCHPATH, WT_REVID, WT_COMPILEDATE);
if (res != NSERROR_OK) {
goto fetch_about_testament_handler_aborted;
}
res = ssenddataf(ctx, "Built on %s in %s\n\n", WT_HOSTNAME, WT_ROOT);
res = fetch_about_ssenddataf(ctx, "Built on %s in %s\n\n", WT_HOSTNAME, WT_ROOT);
if (res != NSERROR_OK) {
goto fetch_about_testament_handler_aborted;
}
if (WT_MODIFIED > 0) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"Working tree has %d modification%s\n\n",
WT_MODIFIED, WT_MODIFIED == 1 ? "" : "s");
} else {
res = ssenddataf(ctx, "Working tree is not modified.\n");
res = fetch_about_ssenddataf(ctx, "Working tree is not modified.\n");
}
if (res != NSERROR_OK) {
goto fetch_about_testament_handler_aborted;
}
for (modidx = 0; modidx < WT_MODIFIED; ++modidx) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
" %s %s\n",
modifications[modidx].modtype,
modifications[modidx].leaf);
@ -2069,7 +1948,7 @@ static bool fetch_about_query_auth_handler(struct fetch_about_context *ctx)
}
title = messages_get("LoginTitle");
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>%s</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
@ -2082,7 +1961,7 @@ static bool fetch_about_query_auth_handler(struct fetch_about_context *ctx)
goto fetch_about_query_auth_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<form method=\"post\""
" enctype=\"multipart/form-data\">");
if (res != NSERROR_OK) {
@ -2095,19 +1974,19 @@ static bool fetch_about_query_auth_handler(struct fetch_about_context *ctx)
password,
&description);
if (res == NSERROR_OK) {
res = ssenddataf(ctx, "<p>%s</p>", description);
res = fetch_about_ssenddataf(ctx, "<p>%s</p>", description);
free(description);
if (res != NSERROR_OK) {
goto fetch_about_query_auth_handler_aborted;
}
}
res = ssenddataf(ctx, "<table>");
res = fetch_about_ssenddataf(ctx, "<table>");
if (res != NSERROR_OK) {
goto fetch_about_query_auth_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr>"
"<th><label for=\"name\">%s:</label></th>"
"<td><input type=\"text\" id=\"username\" "
@ -2118,7 +1997,7 @@ static bool fetch_about_query_auth_handler(struct fetch_about_context *ctx)
goto fetch_about_query_auth_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<tr>"
"<th><label for=\"password\">%s:</label></th>"
"<td><input type=\"password\" id=\"password\" "
@ -2129,12 +2008,12 @@ static bool fetch_about_query_auth_handler(struct fetch_about_context *ctx)
goto fetch_about_query_auth_handler_aborted;
}
res = ssenddataf(ctx, "</table>");
res = fetch_about_ssenddataf(ctx, "</table>");
if (res != NSERROR_OK) {
goto fetch_about_query_auth_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<div id=\"buttons\">"
"<input type=\"submit\" id=\"login\" name=\"login\" "
"value=\"%s\" class=\"default-action\">"
@ -2151,7 +2030,7 @@ static bool fetch_about_query_auth_handler(struct fetch_about_context *ctx)
if (res != NSERROR_OK) {
url_s = strdup("");
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<input type=\"hidden\" name=\"siteurl\" value=\"%s\">",
url_s);
free(url_s);
@ -2159,14 +2038,14 @@ static bool fetch_about_query_auth_handler(struct fetch_about_context *ctx)
goto fetch_about_query_auth_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<input type=\"hidden\" name=\"realm\" value=\"%s\">",
realm);
if (res != NSERROR_OK) {
goto fetch_about_query_auth_handler_aborted;
}
res = ssenddataf(ctx, "</form></body>\n</html>\n");
res = fetch_about_ssenddataf(ctx, "</form></body>\n</html>\n");
if (res != NSERROR_OK) {
goto fetch_about_query_auth_handler_aborted;
}
@ -2232,7 +2111,7 @@ static bool fetch_about_query_privacy_handler(struct fetch_about_context *ctx)
}
title = messages_get("PrivacyTitle");
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>%s</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
@ -2245,7 +2124,7 @@ static bool fetch_about_query_privacy_handler(struct fetch_about_context *ctx)
goto fetch_about_query_ssl_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<form method=\"post\""
" enctype=\"multipart/form-data\">");
if (res != NSERROR_OK) {
@ -2256,7 +2135,7 @@ static bool fetch_about_query_privacy_handler(struct fetch_about_context *ctx)
"PrivacyDescription",
&description);
if (res == NSERROR_OK) {
res = ssenddataf(ctx, "<div><p>%s</p></div>", description);
res = fetch_about_ssenddataf(ctx, "<div><p>%s</p></div>", description);
free(description);
if (res != NSERROR_OK) {
goto fetch_about_query_ssl_handler_aborted;
@ -2264,13 +2143,13 @@ static bool fetch_about_query_privacy_handler(struct fetch_about_context *ctx)
}
if (chainurl == NULL) {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<div><p>%s</p></div>"
"<div><p>%s</p></div>",
reason,
messages_get("ViewCertificatesNotPossible"));
} else {
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<div><p>%s</p></div>"
"<div><p><a href=\"%s\" target=\"_blank\">%s</a></p></div>",
reason,
@ -2280,7 +2159,7 @@ static bool fetch_about_query_privacy_handler(struct fetch_about_context *ctx)
if (res != NSERROR_OK) {
goto fetch_about_query_ssl_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<div id=\"buttons\">"
"<input type=\"submit\" id=\"back\" name=\"back\" "
"value=\"%s\" class=\"default-action\">"
@ -2297,7 +2176,7 @@ static bool fetch_about_query_privacy_handler(struct fetch_about_context *ctx)
if (res != NSERROR_OK) {
url_s = strdup("");
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<input type=\"hidden\" name=\"siteurl\" value=\"%s\">",
url_s);
free(url_s);
@ -2305,7 +2184,7 @@ static bool fetch_about_query_privacy_handler(struct fetch_about_context *ctx)
goto fetch_about_query_ssl_handler_aborted;
}
res = ssenddataf(ctx, "</form></body>\n</html>\n");
res = fetch_about_ssenddataf(ctx, "</form></body>\n</html>\n");
if (res != NSERROR_OK) {
goto fetch_about_query_ssl_handler_aborted;
}
@ -2367,7 +2246,7 @@ static bool fetch_about_query_timeout_handler(struct fetch_about_context *ctx)
}
title = messages_get("TimeoutTitle");
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>%s</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
@ -2380,7 +2259,7 @@ static bool fetch_about_query_timeout_handler(struct fetch_about_context *ctx)
goto fetch_about_query_timeout_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<form method=\"post\""
" enctype=\"multipart/form-data\">");
if (res != NSERROR_OK) {
@ -2391,18 +2270,18 @@ static bool fetch_about_query_timeout_handler(struct fetch_about_context *ctx)
"TimeoutDescription",
&description);
if (res == NSERROR_OK) {
res = ssenddataf(ctx, "<div><p>%s</p></div>", description);
res = fetch_about_ssenddataf(ctx, "<div><p>%s</p></div>", description);
free(description);
if (res != NSERROR_OK) {
goto fetch_about_query_timeout_handler_aborted;
}
}
res = ssenddataf(ctx, "<div><p>%s</p></div>", reason);
res = fetch_about_ssenddataf(ctx, "<div><p>%s</p></div>", reason);
if (res != NSERROR_OK) {
goto fetch_about_query_timeout_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<div id=\"buttons\">"
"<input type=\"submit\" id=\"back\" name=\"back\" "
"value=\"%s\" class=\"default-action\">"
@ -2419,7 +2298,7 @@ static bool fetch_about_query_timeout_handler(struct fetch_about_context *ctx)
if (res != NSERROR_OK) {
url_s = strdup("");
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<input type=\"hidden\" name=\"siteurl\" value=\"%s\">",
url_s);
free(url_s);
@ -2427,7 +2306,7 @@ static bool fetch_about_query_timeout_handler(struct fetch_about_context *ctx)
goto fetch_about_query_timeout_handler_aborted;
}
res = ssenddataf(ctx, "</form></body>\n</html>\n");
res = fetch_about_ssenddataf(ctx, "</form></body>\n</html>\n");
if (res != NSERROR_OK) {
goto fetch_about_query_timeout_handler_aborted;
}
@ -2490,7 +2369,7 @@ fetch_about_query_fetcherror_handler(struct fetch_about_context *ctx)
}
title = messages_get("FetchErrorTitle");
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>%s</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
@ -2503,7 +2382,7 @@ fetch_about_query_fetcherror_handler(struct fetch_about_context *ctx)
goto fetch_about_query_fetcherror_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<form method=\"post\""
" enctype=\"multipart/form-data\">");
if (res != NSERROR_OK) {
@ -2514,18 +2393,18 @@ fetch_about_query_fetcherror_handler(struct fetch_about_context *ctx)
"FetchErrorDescription",
&description);
if (res == NSERROR_OK) {
res = ssenddataf(ctx, "<div><p>%s</p></div>", description);
res = fetch_about_ssenddataf(ctx, "<div><p>%s</p></div>", description);
free(description);
if (res != NSERROR_OK) {
goto fetch_about_query_fetcherror_handler_aborted;
}
}
res = ssenddataf(ctx, "<div><p>%s</p></div>", reason);
res = fetch_about_ssenddataf(ctx, "<div><p>%s</p></div>", reason);
if (res != NSERROR_OK) {
goto fetch_about_query_fetcherror_handler_aborted;
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<div id=\"buttons\">"
"<input type=\"submit\" id=\"back\" name=\"back\" "
"value=\"%s\" class=\"default-action\">"
@ -2542,7 +2421,7 @@ fetch_about_query_fetcherror_handler(struct fetch_about_context *ctx)
if (res != NSERROR_OK) {
url_s = strdup("");
}
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<input type=\"hidden\" name=\"siteurl\" value=\"%s\">",
url_s);
free(url_s);
@ -2550,7 +2429,7 @@ fetch_about_query_fetcherror_handler(struct fetch_about_context *ctx)
goto fetch_about_query_fetcherror_handler_aborted;
}
res = ssenddataf(ctx, "</form></body>\n</html>\n");
res = fetch_about_ssenddataf(ctx, "</form></body>\n</html>\n");
if (res != NSERROR_OK) {
goto fetch_about_query_fetcherror_handler_aborted;
}
@ -2720,7 +2599,7 @@ static bool fetch_about_about_handler(struct fetch_about_context *ctx)
if (fetch_about_send_header(ctx, "Content-Type: text/html"))
goto fetch_about_config_handler_aborted;
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>List of NetSurf pages</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
@ -2739,7 +2618,7 @@ static bool fetch_about_about_handler(struct fetch_about_context *ctx)
if (about_handler_list[abt_loop].hidden)
continue;
res = ssenddataf(ctx,
res = fetch_about_ssenddataf(ctx,
"<li><a href=\"about:%s\">about:%s</a></li>\n",
about_handler_list[abt_loop].name,
about_handler_list[abt_loop].name);
@ -2748,7 +2627,7 @@ static bool fetch_about_about_handler(struct fetch_about_context *ctx)
}
}
res = ssenddataf(ctx, "</ul>\n</body>\n</html>\n");
res = fetch_about_ssenddataf(ctx, "</ul>\n</body>\n</html>\n");
if (res != NSERROR_OK) {
goto fetch_about_config_handler_aborted;
}
@ -2774,7 +2653,7 @@ fetch_about_404_handler(struct fetch_about_context *ctx)
return false;
}
res = ssenddataf(ctx, "Unknown page: %s", nsurl_access(ctx->url));
res = fetch_about_ssenddataf(ctx, "Unknown page: %s", nsurl_access(ctx->url));
if (res != NSERROR_OK) {
return false;
}

9
content/fetchers/about/about.h
View File

@ -16,12 +16,13 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* about: URL method handler
/**
* \file
* about scheme URL method handler
*/
#ifndef NETSURF_CONTENT_FETCHERS_FETCH_ABOUT_H
#define NETSURF_CONTENT_FETCHERS_FETCH_ABOUT_H
#ifndef NETSURF_CONTENT_FETCHERS_ABOUT_ABOUT_H
#define NETSURF_CONTENT_FETCHERS_ABOUT_ABOUT_H
/**
* Register about scheme handler.

174
content/fetchers/about/imagecache.c Normal file
View File

@ -0,0 +1,174 @@
/*
* Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf.
*
* 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/>.
*/
/**
* \file
* content generator for the about scheme imagecache page
*/
#include <stdbool.h>
#include <stdio.h>
#include "netsurf/types.h"
#include "image/image_cache.h"
#include "private.h"
#include "imagecache.h"
/* exported interface documented in about/imagecache.h */
bool fetch_about_imagecache_handler(struct fetch_about_context *ctx)
{
char buffer[2048]; /* output buffer */
int code = 200;
int slen;
unsigned int cent_loop = 0;
int elen = 0; /* entry length */
nserror res;
bool even = false;
/* content is going to return ok */
fetch_about_set_http_code(ctx, code);
/* content type */
if (fetch_about_send_header(ctx, "Content-Type: text/html"))
goto fetch_about_imagecache_handler_aborted;
/* page head */
res = fetch_about_ssenddataf(ctx,
"<html>\n<head>\n"
"<title>Image Cache Status</title>\n"
"<link rel=\"stylesheet\" type=\"text/css\" "
"href=\"resource:internal.css\">\n"
"</head>\n"
"<body id =\"cachelist\" class=\"ns-even-bg ns-even-fg ns-border\">\n"
"<h1 class=\"ns-border\">Image Cache Status</h1>\n");
if (res != NSERROR_OK) {
goto fetch_about_imagecache_handler_aborted;
}
/* image cache summary */
slen = image_cache_snsummaryf(buffer, sizeof(buffer),
"<p>Configured limit of %a hysteresis of %b</p>\n"
"<p>Total bitmap size in use %c (in %d)</p>\n"
"<p>Age %es</p>\n"
"<p>Peak size %f (in %g)</p>\n"
"<p>Peak image count %h (size %i)</p>\n"
"<p>Cache total/hit/miss/fail (counts) %j/%k/%l/%m "
"(%pj%%/%pk%%/%pl%%/%pm%%)</p>\n"
"<p>Cache total/hit/miss/fail (size) %n/%o/%q/%r "
"(%pn%%/%po%%/%pq%%/%pr%%)</p>\n"
"<p>Total images never rendered: %s "
"(includes %t that were converted)</p>\n"
"<p>Total number of excessive conversions: %u "
"(from %v images converted more than once)"
"</p>\n"
"<p>Bitmap of size %w had most (%x) conversions</p>\n"
"<h2 class=\"ns-border\">Current contents</h2>\n");
if (slen >= (int) (sizeof(buffer))) {
goto fetch_about_imagecache_handler_aborted; /* overflow */
}
res = fetch_about_senddata(ctx, (const uint8_t *)buffer, slen);
if (res != NSERROR_OK) {
goto fetch_about_imagecache_handler_aborted;
}
/* image cache entry table */
res = fetch_about_ssenddataf(ctx, "<p class=\"imagecachelist\">\n"
"<strong>"
"<span>Entry</span>"
"<span>Content Key</span>"
"<span>Redraw Count</span>"
"<span>Conversion Count</span>"
"<span>Last Redraw</span>"
"<span>Bitmap Age</span>"
"<span>Bitmap Size</span>"
"<span>Source</span>"
"</strong>\n");
if (res != NSERROR_OK) {
goto fetch_about_imagecache_handler_aborted;
}
slen = 0;
do {
if (even) {
elen = image_cache_snentryf(buffer + slen,
sizeof buffer - slen,
cent_loop,
"<a href=\"%U\">"
"<span class=\"ns-border\">%e</span>"
"<span class=\"ns-border\">%k</span>"
"<span class=\"ns-border\">%r</span>"
"<span class=\"ns-border\">%c</span>"
"<span class=\"ns-border\">%a</span>"
"<span class=\"ns-border\">%g</span>"
"<span class=\"ns-border\">%s</span>"
"<span class=\"ns-border\">%o</span>"
"</a>\n");
} else {
elen = image_cache_snentryf(buffer + slen,
sizeof buffer - slen,
cent_loop,
"<a class=\"ns-odd-bg\" href=\"%U\">"
"<span class=\"ns-border\">%e</span>"
"<span class=\"ns-border\">%k</span>"
"<span class=\"ns-border\">%r</span>"
"<span class=\"ns-border\">%c</span>"
"<span class=\"ns-border\">%a</span>"
"<span class=\"ns-border\">%g</span>"
"<span class=\"ns-border\">%s</span>"
"<span class=\"ns-border\">%o</span>"
"</a>\n");
}
if (elen <= 0)
break; /* last option */
if (elen >= (int) (sizeof buffer - slen)) {
/* last entry would not fit in buffer, submit buffer */
res = fetch_about_senddata(ctx,
(const uint8_t *)buffer,
slen);
if (res != NSERROR_OK) {
goto fetch_about_imagecache_handler_aborted;
}
slen = 0;
} else {
/* normal addition */
slen += elen;
cent_loop++;
even = !even;
}
} while (elen > 0);
slen += snprintf(buffer + slen, sizeof buffer - slen,
"</p>\n</body>\n</html>\n");
res = fetch_about_senddata(ctx, (const uint8_t *)buffer, slen);
if (res != NSERROR_OK) {
goto fetch_about_imagecache_handler_aborted;
}
fetch_about_send_finished(ctx);
return true;
fetch_about_imagecache_handler_aborted:
return false;
}

37
content/fetchers/about/imagecache.h Normal file
View File

@ -0,0 +1,37 @@
/*
* Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf.
*
* 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/>.
*/
/**
* \file
* about scheme imagecache handler interface
*/
#ifndef NETSURF_CONTENT_FETCHERS_ABOUT_IMAGECACHE_H
#define NETSURF_CONTENT_FETCHERS_ABOUT_IMAGECACHE_H
/**
* Handler to generate about scheme imagecache page.
*
* Shows details of current image cache.
*
* \param ctx The fetcher context.
* \return true if handled false if aborted.
*/
bool fetch_about_imagecache_handler(struct fetch_about_context *ctx);
#endif

59
content/fetchers/about/private.h Normal file
View File

@ -0,0 +1,59 @@
/*
* Copyright 2020 Vincent Sanders <vince@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/>.
*/
/**
* \file
* Private interfaces for the about scheme fetcher.
*/
#ifndef NETSURF_CONTENT_FETCHERS_ABOUT_PRIVATE_H
#define NETSURF_CONTENT_FETCHERS_ABOUT_PRIVATE_H
struct fetch_about_context;
/**
* set http response code on about response
*/
bool fetch_about_set_http_code(struct fetch_about_context *ctx, long code);
/**
* Send a header on the about response
*
* \param ctx The about fetch context
* \param fmt The format specifier of the header
* \return true if the fetch has been aborted else false
*/
bool fetch_about_send_header(struct fetch_about_context *ctx, const char *fmt, ...);
/**
* send data on the about response
*/
nserror
fetch_about_senddata(struct fetch_about_context *ctx, const uint8_t *data, size_t data_len);
/**
* send formatted data on the about response
*/
nserror fetch_about_ssenddataf(struct fetch_about_context *ctx, const char *fmt, ...);
/**
* complete the about fetch response
*/
bool fetch_about_send_finished(struct fetch_about_context *ctx);
#endif

1
content/handlers/image/image_cache.h
View File

@ -40,6 +40,7 @@
#include "utils/errors.h"
#include "netsurf/content_type.h"
struct content;
struct content_redraw_data;
struct redraw_context;