From a19e3705a228735eacadd713b28d49fe33bb726b Mon Sep 17 00:00:00 2001
From: sijanec <anton@sijanec.eu>
Date: Wed, 7 Apr 2021 23:15:16 +0200
Subject: UTF-8, image support, memory leaks fixed

---
 src/httpd.c | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

(limited to 'src/httpd.c')

diff --git a/src/httpd.c b/src/httpd.c
index 656ad92..6e2c4bf 100644
--- a/src/httpd.c
+++ b/src/httpd.c
@@ -11,14 +11,24 @@ char * sc_queryhtml (struct sc_query * q) { /* remember to free returned string
 		}
 #define SC_HRF "<div class=result id=result%lu><h4><a href=\"%s\" accesskey=%lu>%s</a> " \
 	"<span class=breadcrumb>%s</span></h4><p>%s</p></div>"
-#define SC_HRA i, safeurl, i, safetitle, safebreadcrumbs, safebody
-		char * safetitle = htmlspecialchars(q->results[i]->title);
+#define SC_HIF "<a class=result id=result%lu href=\"%s\" accesskey=%lu><img data-title=\"%s\"" \
+	"data-breadcrumb=\"%s\" src=\"%s\" /></a>"
+#define SC_HRA i, safeurl ? safeurl : SC_I18N_NO_HREFLINK, i, safetitle ? safetitle : SC_I18N_NO_TITLE, \
+	safebreadcrumbs ? safebreadcrumbs : safeurl ? safeurl : SC_I18N_NO_HREFLINK, safebody ? safebody : SC_I18N_NO_DESCRIPTION
+		char * safetitle = htmlspecialchars(q->results[i]->title); /* htmlspecialchars returns NULL if input is null */
 		char * safebody = htmlspecialchars(q->results[i]->desc);
 		char * safeurl = htmlspecialchars(q->results[i]->url);
 		char * safebreadcrumbs = htmlspecialchars(q->results[i]->breadcrumbs);
-		size_t ws = snprintf(NULL, 0, SC_HRF, SC_HRA);
-		SC_HRC(resultshtml, ws);
-		resultshtml_written += sprintf(resultshtml+resultshtml_written, SC_HRF, SC_HRA);
+		size_t ws;
+		if (q->opt & SC_OPT_IMAGE) {
+			ws = snprintf(NULL, 0, SC_HIF, SC_HRA);
+			SC_HRC(resultshtml, ws);
+			resultshtml_written += sprintf(resultshtml+resultshtml_written, SC_HIF, SC_HRA);
+		} else {
+			ws = snprintf(NULL, 0, SC_HRF, SC_HRA);
+			SC_HRC(resultshtml, ws);
+			resultshtml_written += sprintf(resultshtml+resultshtml_written, SC_HRF, SC_HRA);
+		}
 		free(safebreadcrumbs);
 		free(safetitle);
 		free(safebody);
@@ -103,6 +113,9 @@ int sc_httpd (void * cls,
 	char * location = "//git.sijanec.eu/sijanec/sear.c";
 	char * content_type = "text/html";
 	int status_code = MHD_HTTP_OK;
+	SC_OPT_TYPE opt = 0;
+	if (MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "i"))
+		opt |= SC_OPT_IMAGE;
 	if (!host)
 		host = "";
 	struct sc_query * q = NULL;
@@ -143,18 +156,18 @@ int sc_httpd (void * cls,
 retry:
 		SC_CRLE(c, c->queries_lock);
 		for (size_t i = 0; i < c->queries_length; i++)
-			if (!strcmp(c->queries[i]->string, query))
+			if (!strcmp(c->queries[i]->string, query) && c->queries[i]->opt == opt)
 				q = c->queries[i];
 		if (q) {
 			response = sc_queryhtml(q); /* MHD_create_response_from_buffer will free response (; */
 			if (MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "f") && q->results_length > 0) {
 				status_code = 307;
-				location = q->results[0]->url;
+				location = q->results[0]->url ? q->results[0]->url : SC_I18N_NO_HREFLINK;
 			}
 			SC_CUE(c, c->queries_lock);
 		} else {
 			SC_CUE(c, c->queries_lock);
-			sc_query_google(query, c, NULL);
+			sc_query_google(query, c, NULL, opt);
 			if (already_retried++) {
 				char * safequery = htmlspecialchars(query);
 				response = malloc(strlen((char*) sc_hp)+strlen(safequery)*2+strlen(SC_I18N_HP_ERROR_HEADING)+strlen(SC_I18N_HP_ERROR_BODY));
-- 
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