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-rw-r--r--content/fetchers/about.c136
-rw-r--r--desktop/browser_window.c119
-rw-r--r--resources/FatMessages7
-rw-r--r--resources/internal.css38
-rw-r--r--utils/corestringlist.h2
5 files changed, 275 insertions, 27 deletions
diff --git a/content/fetchers/about.c b/content/fetchers/about.c
index d8a5fa793..e98c6ec35 100644
--- a/content/fetchers/about.c
+++ b/content/fetchers/about.c
@@ -95,6 +95,11 @@ static const char *privacy_description_fallback = "A privacy error occurred whil
static const char *timeout_description_fallback = "A connection to %s could not be established. The site may be temporarily unavailable or too busy to respond.";
/**
+ * fetcherror query description if messages fails to retrieve usable text
+ */
+static const char *fetcherror_description_fallback = "An error occoured when connecting to %s";
+
+/**
* issue fetch callbacks with locking
*/
static inline bool
@@ -1239,6 +1244,130 @@ fetch_about_query_timeout_handler_aborted:
}
+/**
+ * Handler to generate about scheme fetch error query page
+ *
+ * \param ctx The fetcher context.
+ * \return true if handled false if aborted.
+ */
+static bool
+fetch_about_query_fetcherror_handler(struct fetch_about_context *ctx)
+{
+ nserror res;
+ char *url_s;
+ size_t url_l;
+ const char *reason = "";
+ const char *title;
+ struct nsurl *siteurl = NULL;
+ char *description = NULL;
+ const struct fetch_multipart_data *curmd; /* mutipart data iterator */
+
+ /* extract parameters from multipart post data */
+ curmd = ctx->multipart;
+ while (curmd != NULL) {
+ if (strcmp(curmd->name, "siteurl") == 0) {
+ res = nsurl_create(curmd->value, &siteurl);
+ if (res != NSERROR_OK) {
+ return fetch_about_srverror(ctx);
+ }
+ } else if (strcmp(curmd->name, "reason") == 0) {
+ reason = curmd->value;
+ }
+ curmd = curmd->next;
+ }
+
+ if (siteurl == NULL) {
+ return fetch_about_srverror(ctx);
+ }
+
+ /* content is going to return ok */
+ fetch_set_http_code(ctx->fetchh, 200);
+
+ /* content type */
+ if (fetch_about_send_header(ctx, "Content-Type: text/html; charset=utf-8")) {
+ goto fetch_about_query_fetcherror_handler_aborted;
+ }
+
+ title = messages_get("FetchErrorTitle");
+ res = ssenddataf(ctx,
+ "<html>\n<head>\n"
+ "<title>%s</title>\n"
+ "<link rel=\"stylesheet\" type=\"text/css\" "
+ "href=\"resource:internal.css\">\n"
+ "</head>\n"
+ "<body id =\"fetcherror\">\n"
+ "<h1>%s</h1>\n",
+ title, title);
+ if (res != NSERROR_OK) {
+ goto fetch_about_query_fetcherror_handler_aborted;
+ }
+
+ res = ssenddataf(ctx,
+ "<form method=\"post\""
+ " enctype=\"multipart/form-data\">");
+ if (res != NSERROR_OK) {
+ goto fetch_about_query_fetcherror_handler_aborted;
+ }
+
+ res = get_query_description(siteurl,
+ "FetchErrorDescription",
+ fetcherror_description_fallback,
+ &description);
+ if (res == NSERROR_OK) {
+ res = 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);
+ if (res != NSERROR_OK) {
+ goto fetch_about_query_fetcherror_handler_aborted;
+ }
+
+ res = ssenddataf(ctx,
+ "<div id=\"buttons\">"
+ "<input type=\"submit\" id=\"back\" name=\"back\" "
+ "value=\"%s\" class=\"default-action\">"
+ "<input type=\"submit\" id=\"retry\" name=\"retry\" "
+ "value=\"%s\">"
+ "</div>",
+ messages_get("Backtoprevious"),
+ messages_get("TryAgain"));
+ if (res != NSERROR_OK) {
+ goto fetch_about_query_fetcherror_handler_aborted;
+ }
+
+ res = nsurl_get(siteurl, NSURL_COMPLETE, &url_s, &url_l);
+ if (res != NSERROR_OK) {
+ url_s = strdup("");
+ }
+ res = ssenddataf(ctx,
+ "<input type=\"hidden\" name=\"siteurl\" value=\"%s\">",
+ url_s);
+ free(url_s);
+ if (res != NSERROR_OK) {
+ goto fetch_about_query_fetcherror_handler_aborted;
+ }
+
+ res = ssenddataf(ctx, "</form></body>\n</html>\n");
+ if (res != NSERROR_OK) {
+ goto fetch_about_query_fetcherror_handler_aborted;
+ }
+
+ fetch_about_send_finished(ctx);
+
+ nsurl_unref(siteurl);
+
+ return true;
+
+fetch_about_query_fetcherror_handler_aborted:
+ nsurl_unref(siteurl);
+
+ return false;
+}
+
+
/* Forward declaration because this handler requires the handler table. */
static bool fetch_about_about_handler(struct fetch_about_context *ctx);
@@ -1352,6 +1481,13 @@ struct about_handlers about_handler_list[] = {
NULL,
fetch_about_query_timeout_handler,
true
+ },
+ {
+ "query/fetcherror",
+ SLEN("query/fetcherror"),
+ NULL,
+ fetch_about_query_fetcherror_handler,
+ true
}
};
diff --git a/desktop/browser_window.c b/desktop/browser_window.c
index 5f7c2cc4b..807393ed1 100644
--- a/desktop/browser_window.c
+++ b/desktop/browser_window.c
@@ -1217,6 +1217,50 @@ browser_window__handle_timeout(struct browser_window *bw, nsurl *url)
/**
+ * Handle non specific errors during a fetch
+ */
+static nserror
+browser_window__handle_fetcherror(struct browser_window *bw,
+ const char *reason,
+ nsurl *url)
+{
+ struct browser_fetch_parameters params;
+ nserror err;
+
+ memset(&params, 0, sizeof(params));
+
+ params.url = nsurl_ref(corestring_nsurl_about_query_fetcherror);
+ params.referrer = nsurl_ref(url);
+ params.flags = BW_NAVIGATE_HISTORY | BW_NAVIGATE_NO_TERMINAL_HISTORY_UPDATE | BW_NAVIGATE_INTERNAL;
+
+ err = fetch_multipart_data_new_kv(&params.post_multipart,
+ "siteurl",
+ nsurl_access(url));
+ if (err != NSERROR_OK) {
+ goto out;
+ }
+
+ err = fetch_multipart_data_new_kv(&params.post_multipart,
+ "reason",
+ reason);
+ if (err != NSERROR_OK) {
+ goto out;
+ }
+
+ /* Now we issue the fetch */
+ bw->internal_nav = true;
+ err = browser_window__navigate_internal(bw, &params);
+ if (err != NSERROR_OK) {
+ goto out;
+ }
+
+ out:
+ browser_window__free_fetch_parameters(&params);
+ return err;
+}
+
+
+/**
* Handle errors during content fetch
*/
static nserror
@@ -1226,39 +1270,14 @@ browser_window__handle_error(struct browser_window *bw,
{
const char *message = event->data.errordata.errormsg;
nserror code = event->data.errordata.errorcode;
- bool do_warning = true;
nserror res;
nsurl *url = hlcache_handle_get_url(c);
/* Unexpected OK? */
assert(code != NSERROR_OK);
- switch (code) {
- case NSERROR_BAD_AUTH:
- do_warning = false;
- break;
- case NSERROR_BAD_CERTS:
- do_warning = false;
- break;
- case NSERROR_BAD_REDIRECT:
- /* The message is already filled out */
- break;
- case NSERROR_TIMEOUT:
- do_warning = false;
- break;
- default:
- if (message == NULL) {
- message = messages_get_errorcode(code);
- }
- break;
- }
-
- if (do_warning) {
- browser_window_set_status(bw, message);
- /* Only warn the user about errors in top-level windows */
- if (bw->browser_window_type == BROWSER_WINDOW_NORMAL) {
- guit->misc->warning(message, NULL);
- }
+ if (message == NULL) {
+ message = messages_get_errorcode(code);
}
if (c == bw->loading_content) {
@@ -1274,13 +1293,17 @@ browser_window__handle_error(struct browser_window *bw,
case NSERROR_BAD_AUTH:
res = browser_window__handle_login(bw, message, url);
break;
+
case NSERROR_BAD_CERTS:
res = browser_window__handle_bad_certs(bw, url);
break;
+
case NSERROR_TIMEOUT:
res = browser_window__handle_timeout(bw, url);
break;
+
default:
+ res = browser_window__handle_fetcherror(bw, message, url);
break;
}
@@ -2411,6 +2434,8 @@ is_internal_navigate_url(nsurl *url)
is_internal = true;
} else if (path == corestring_lwc_query_timeout) {
is_internal = true;
+ } else if (path == corestring_lwc_query_fetcherror) {
+ is_internal = true;
}
}
lwc_string_unref(path);
@@ -3614,6 +3639,42 @@ navigate_internal_query_timeout(struct browser_window *bw,
/**
+ * Internal navigation handler for the fetch error query page.
+ *
+ * If the parameters indicate we're processing a *response* from the handler
+ * then we deal with that, otherwise we pass it on to the about: handler
+ */
+static nserror
+navigate_internal_query_fetcherror(struct browser_window *bw,
+ struct browser_fetch_parameters *params)
+{
+ bool is_retry = false, is_back = false;
+
+ NSLOG(netsurf, INFO, "bw:%p params:%p", bw, params);
+
+ assert(params->post_multipart != NULL);
+
+ is_retry = fetch_multipart_data_find(params->post_multipart, "retry") != NULL;
+ is_back = fetch_multipart_data_find(params->post_multipart, "back") != NULL;
+
+ if (is_back) {
+ /* do a rough-and-ready nav to the old 'current'
+ * parameters, with any post data stripped away
+ */
+ return browser_window__reload_current_parameters(bw);
+ }
+
+ if (is_retry) {
+ /* Finally navigate to the original loading parameters */
+ bw->internal_nav = false;
+ return navigate_internal_real(bw, &bw->loading_parameters);
+ }
+
+ return navigate_internal_real(bw, params);
+}
+
+
+/**
* dispatch to internal query handlers or normal navigation
*
* Here we determine if we're navigating to an internal query URI and
@@ -3651,6 +3712,10 @@ browser_window__navigate_internal(struct browser_window *bw,
lwc_string_unref(path);
return navigate_internal_query_timeout(bw, params);
}
+ if (path == corestring_lwc_query_fetcherror) {
+ lwc_string_unref(path);
+ return navigate_internal_query_fetcherror(bw, params);
+ }
lwc_string_unref(path);
/* Fall through to a normal about: fetch */
diff --git a/resources/FatMessages b/resources/FatMessages
index aa2d7a2d1..06d61c942 100644
--- a/resources/FatMessages
+++ b/resources/FatMessages
@@ -1096,6 +1096,13 @@ en.all.Backtoprevious: Back
en.all.TryAgain: Try Again
+# Fetch error interface
+# =======================
+#
+en.all.FetchErrorTitle:Error occured fetching page
+en.all.FetchErrorDescription:An error occoured when connecting to %s
+
+
# SSL certificate viewer
# ======================
#
diff --git a/resources/internal.css b/resources/internal.css
index 14b47cfa9..ded56ee0b 100644
--- a/resources/internal.css
+++ b/resources/internal.css
@@ -381,3 +381,41 @@ body#timeout div#buttons {
body#timeout div#buttons input#back {
margin-right: 1em;
}
+
+/*
+ * fetch error query styling
+ */
+
+body#fetcherror {
+ max-width: 45em;
+}
+
+body#fetcherror h1 {
+ padding: 0.8em 0.4em 0.5em 0.4em;
+ border-bottom: 0.1em solid #444;
+ margin: 0 0 1.3em 0;
+ background: #c55;
+ color: white;
+}
+
+body#fetcherror form {
+ /* Just to center the form on the page */
+ margin: 0 auto;
+ /* To see the outline of the form */
+ padding: 1em;
+ border: 1px solid #CCC;
+ border-radius: 1em;
+}
+
+body#fetcherror form div + div {
+ margin-top: 1em;
+}
+
+body#fetcherror div#buttons {
+ text-align: right;
+ margin-right: 1em;
+}
+
+body#fetcherror div#buttons input#back {
+ margin-right: 1em;
+}
diff --git a/utils/corestringlist.h b/utils/corestringlist.h
index e7516b18a..b1095458b 100644
--- a/utils/corestringlist.h
+++ b/utils/corestringlist.h
@@ -149,6 +149,7 @@ CORESTRING_LWC_VALUE(no_store, "no-store");
CORESTRING_LWC_VALUE(query_auth, "query/auth");
CORESTRING_LWC_VALUE(query_ssl, "query/ssl");
CORESTRING_LWC_VALUE(query_timeout, "query/timeout");
+CORESTRING_LWC_VALUE(query_fetcherror, "query/fetcherror");
/* mime types */
CORESTRING_LWC_VALUE(multipart_form_data, "multipart/form-data");
@@ -362,6 +363,7 @@ CORESTRING_NSURL(about_blank, "about:blank");
CORESTRING_NSURL(about_query_ssl, "about:query/ssl");
CORESTRING_NSURL(about_query_auth, "about:query/auth");
CORESTRING_NSURL(about_query_timeout, "about:query/timeout");
+CORESTRING_NSURL(about_query_fetcherror, "about:query/fetcherror");
#undef CORESTRING_LWC_STRING
#undef CORESTRING_DOM_STRING
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 22:39:36 +0000