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[core] Make error pages prettier and add a little error description

This commit is contained in:
Thomas Porzelt 2009-09-05 19:32:54 +02:00
parent 279b9b2217
commit 6016ec94fe
1 changed files with 108 additions and 22 deletions
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130
src/main/response.c
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@ -130,42 +130,128 @@ void li_response_send_headers(liConnection *con) {
li_chunkqueue_append_string(con->raw_out, head);
}
#define SET_LEN_AND_RETURN_STR(x) \
do { \
*len = sizeof(x) - 1; \
return x; \
} while(0)
static gchar *li_response_error_description(guint status_code, guint *len) {
switch (status_code) {
/* 4XX client error */
case 400: SET_LEN_AND_RETURN_STR("<p>Your browser sent a request that this server could not understand.</p>");
case 401: SET_LEN_AND_RETURN_STR(
"<p>This server could not verify that you are authorized to access the resource requested.<br>"
"Either you supplied the wrong credentials (e.g. bad password), or your browser doesn't understand how to supply the credentials required.</p>"
);
case 402: SET_LEN_AND_RETURN_STR("<p>Insert coint.</p>");
case 403: SET_LEN_AND_RETURN_STR("<p>You don't have permission to access the requested resource.</p>");
case 404: SET_LEN_AND_RETURN_STR("<p>The requested resource was not found.<br>Make sure you entered the correct URL in your browser.</p>\n");
case 405: SET_LEN_AND_RETURN_STR("<p>The requested method is not allowed for this resource.</p>");
case 406: SET_LEN_AND_RETURN_STR("<p>An appropriate representation of the requested resource could not be found.</p>");
case 407: SET_LEN_AND_RETURN_STR(
"<p>This server could not verify that you are authorized to access the resource requested.<br>"
"Either you supplied the wrong credentials (e.g. bad password), or your browser doesn't understand how to supply the credentials required.</p>"
);
case 408: SET_LEN_AND_RETURN_STR("<p>Timeout waiting for the request.</p>");
case 409: SET_LEN_AND_RETURN_STR("<p>The request could not be completed due to a conflict with the current state of the requested resource.</p>");
case 410: SET_LEN_AND_RETURN_STR(
"<p>The requested resource is no longer available on this server and there is no forwarding address.<br>"
"Please remove all references to this resource.</p>"
);
case 411: SET_LEN_AND_RETURN_STR("<p>The requested method requires a valid Content-Length header.</p>");
case 412: SET_LEN_AND_RETURN_STR("<p>The precondition for this request was not met.</p>");
case 413: SET_LEN_AND_RETURN_STR("<p>Your client sent too much data for this request.</p>");
case 414: SET_LEN_AND_RETURN_STR("<p>The requested URL's length exceeds the configured limit of this server.</p>");
case 415: SET_LEN_AND_RETURN_STR("<p>The supplied request data is not in a format acceptable for processing by this resource.</p>");
case 416: SET_LEN_AND_RETURN_STR("<p>The requested part of this resource was not found.</p>");
case 417: SET_LEN_AND_RETURN_STR("<p>The expectation given in the Expect request-header field could not be met by this server.</p>");
case 418: SET_LEN_AND_RETURN_STR("<p>I have come here to brew coffee and kick ass... and I'm all out of coffee.</p>");
case 421: SET_LEN_AND_RETURN_STR("<p>There are too many connections from your internet address.</p>");
case 422: SET_LEN_AND_RETURN_STR("<p>The request could not be processed.</p>");
case 423: SET_LEN_AND_RETURN_STR("<p>The requested resource is currently locked.</p>");
case 424: SET_LEN_AND_RETURN_STR("<p>The method could not be performed on the resource because the requested action depended on another action and that other action failed.</p>");
case 426: SET_LEN_AND_RETURN_STR("<p>This resource should be accessed via SSL.</p>");
/* 5XX server error */
case 500: SET_LEN_AND_RETURN_STR("<p>The server encountered an internal error and was unable to complete your request.</p");
case 501: SET_LEN_AND_RETURN_STR("<p>The request method is not supported by this server.</p>");
case 502: SET_LEN_AND_RETURN_STR("<p>The proxy server received an invalid response from an upstream server.</p>");
case 503: SET_LEN_AND_RETURN_STR("<p>The server is temporarily unable to service your request due to maintenance downtime or capacity problems.<br>Please try again later.</p>");
case 504: SET_LEN_AND_RETURN_STR("<p>The proxy server did not receive a timely response from the upstream server.</p>");
case 505: SET_LEN_AND_RETURN_STR("<p>The requested http version is not supported by this server.</p>");
case 506: SET_LEN_AND_RETURN_STR("<p>A variant for the requested resource is itself a negotiable resource.</p");
case 507: SET_LEN_AND_RETURN_STR("<p>The request could not be fullfilled because of insufficient storage available on the server.</p>");
case 509: SET_LEN_AND_RETURN_STR("<p>The available bandwidth limit for this resource has been reached.</p>");
case 510: SET_LEN_AND_RETURN_STR("<p>A mandatory extension policy in the request is not accepted by the server for this resource.</p>");
/* unknown */
default: SET_LEN_AND_RETURN_STR("<p></p>");
}
}
void li_response_send_error_page(liConnection *con) {
gchar status_str[3];
liVRequest *vr = con->mainvr;
gchar status_code[3];
guint len;
gchar *str;
GString *html;
li_chunkqueue_append_mem(con->out, CONST_STR_LEN(
"<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n"
"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"
"<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n"
" <head>\n"
" <title>"
html = g_string_sized_new(1023);
g_string_append_len(html, CONST_STR_LEN(
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n"
"<html>\n"
" <head>\n"
" <title>"
));
li_http_status_to_str(con->mainvr->response.http_status, status_str);
li_http_status_to_str(con->mainvr->response.http_status, status_code);
li_chunkqueue_append_mem(con->out, status_str, 3);
li_chunkqueue_append_mem(con->out, CONST_STR_LEN(" - "));
g_string_append_len(html, status_code, 3);
g_string_append_len(html, CONST_STR_LEN(" - "));
str = li_http_status_string(con->mainvr->response.http_status, &len);
li_chunkqueue_append_mem(con->out, str, len);
g_string_append_len(html, str, len);
li_chunkqueue_append_mem(con->out, CONST_STR_LEN(
g_string_append_len(html, CONST_STR_LEN(
"</title>\n"
" </head>\n"
" <body>\n"
" <h1>"
" <style type=\"text/css\">\n"
" body { font-size: 62.5%; }\n"
" #container {\n"
" font-size: 62.5%;\n"
" max-width: 600px;\n"
" margin: auto;\n"
" margin-top: 2%;\n"
" border: 4px solid #efefef;\n"
" padding: 0px 20px;\n"
" color: #444;\n"
" font-family: Verdana,helvetica,sans-serif;\n"
" font-size: 1.25em;\n"
" }\n"
" h1 { color: #6D84B4; font-size: 1.5em; }\n"
" #footer { text-align: right; margin-top: 25px; }\n"
" </style>\n"
" </head>\n"
" <body>\n"
" <div id=\"container\">\n"
" <h1>Error "
));
li_chunkqueue_append_mem(con->out, status_str, 3);
li_chunkqueue_append_mem(con->out, CONST_STR_LEN(" - "));
li_chunkqueue_append_mem(con->out, str, len);
g_string_append_len(html, status_code, 3);
g_string_append_len(html, CONST_STR_LEN(" - "));
g_string_append_len(html, str, len);
g_string_append_len(html, CONST_STR_LEN("</h1>\n"));
li_chunkqueue_append_mem(con->out, CONST_STR_LEN(
"</h1>\n"
" </body>\n"
str = li_response_error_description(con->mainvr->response.http_status, &len);
g_string_append_len(html, str, len);
g_string_append_len(html, CONST_STR_LEN(" <p style=\"text-align: right; margin-top: 25px;\">"));
g_string_append_len(html, GSTR_LEN(CORE_OPTION(LI_CORE_OPTION_SERVER_TAG).string));
g_string_append_len(html, CONST_STR_LEN(
"</p>\n"
" </div>\n"
" </body>\n"
"</html>\n"
));
li_chunkqueue_append_string(con->out, html);
}