From d0a0e2499d5233ef1cb495040c78dec91f74dcda Mon Sep 17 00:00:00 2001
From: Romain de Laage <romain.delaage@rdelaage.ovh>
Date: Thu, 18 Feb 2021 16:27:41 +0100
Subject: [PATCH] Handle file url

---
 src/main.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 77 insertions(+), 7 deletions(-)

diff --git a/src/main.c b/src/main.c
index 6bbe938..1345269 100644
--- a/src/main.c
+++ b/src/main.c
@@ -14,15 +14,85 @@ static void makeRender (FILE *file);
 static void
 loadPage (const char *link)
 {
-	FILE *file = tmpfile ();
-	if (file != NULL)
-	{
-		GEM_send_request ("gemini://rdelaage.ovh\r\n", "rdelaage.ovh:1965", file);
-		makeRender (file);
-		gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_show_all, NULL);
+	char *cursor = strchr (link, ':');
 
-		fclose (file);
+	if (cursor == NULL)
+	{
+		gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_destroy, NULL);
+		addH1 (render, "Invalid URL !");
 	}
+	else
+	{
+		int len = cursor - link;
+		char scheme[30];
+		strncpy (scheme, link, len);
+		scheme[len] = '\0';
+
+		if (strcmp (scheme, "gemini") == 0)
+		{
+			FILE *file = tmpfile ();
+			if (file != NULL)
+			{
+				GEM_send_request ("gemini://rdelaage.ovh\r\n", "rdelaage.ovh:1965", file);
+				makeRender (file);
+
+				fclose (file);
+			}
+			else
+			{
+				gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_destroy, NULL);
+				addH1 (render, "Failed to open a temp file !");
+			}
+		}
+		else if (strcmp (scheme, "file") == 0)
+		{
+			cursor++;
+			len = strlen (cursor);
+
+			if (len >= 2 && cursor[0] == '/' && cursor[1] != '/')
+			{
+				FILE *file = fopen (cursor, "r");
+
+				if (file != NULL)
+				{
+					makeRender (file);
+					fclose (file);
+				}
+				else
+				{
+					gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_destroy, NULL);
+					addH1 (render, "Failed to open the file !");
+				}
+			}
+			else if (len > 3 && cursor[0] == '/' && cursor[1] == '/' && cursor[2] == '/')
+			{
+				FILE *file;
+				cursor += 2;
+				file = fopen (cursor, "r");
+				if (file != NULL)
+				{
+					makeRender (file);
+					fclose (file);
+				}
+				else
+				{
+					gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_destroy, NULL);
+					addH1 (render, "Failed to open the file !");
+				}
+			}
+			else
+			{
+				gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_destroy, NULL);
+				addH1 (render, "File url not supported !");
+			}
+		}
+		else
+		{
+			gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_destroy, NULL);
+			addH1 (render, "This type of URL is not supported yet");
+		}
+	}
+	gtk_container_foreach (GTK_CONTAINER (render), (GtkCallback)gtk_widget_show_all, NULL);
 }
 
 void