From ed9157bfab0a2692a1820310a84c825f3c8445d7 Mon Sep 17 00:00:00 2001
From: nishi <nishi@d27a3e52-49c5-7645-884c-6793ebffc270>
Date: Tue, 13 Feb 2024 00:49:20 +0000
Subject: [PATCH] gemini

git-svn-id: file:///raid/svn-main/nishi-libw3/trunk@201 d27a3e52-49c5-7645-884c-6793ebffc270
---
 Library/Core.c   | 10 ++++++
 Library/Gemini.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++-
 Library/URL.c    |  2 ++
 W3Version.h.p    |  2 +-
 4 files changed, 94 insertions(+), 2 deletions(-)

diff --git a/Library/Core.c b/Library/Core.c
index d148ad6..628b615 100644
--- a/Library/Core.c
+++ b/Library/Core.c
@@ -9,6 +9,9 @@
 #include "W3Gopher.h"
 #include "W3HTTP.h"
 #include "W3POP3.h"
+#ifdef SSL_SUPPORT
+#include "W3Gemini.h"
+#endif
 
 #include <ctype.h>
 #include <stdbool.h>
@@ -55,6 +58,8 @@ struct W3* W3_Create(const char* protocol, const char* hostname, int port) {
 	bool ssl = false;
 	if(strcmp(protocol, "https") == 0) {
 		ssl = true;
+	}else if(strcmp(protocol, "gemini") == 0) {
+		ssl = true;
 	}
 	w3->props = NULL;
 	w3->method = NULL;
@@ -76,6 +81,7 @@ struct W3* W3_Create(const char* protocol, const char* hostname, int port) {
 #ifdef SSL_SUPPORT
 		} else if(strcmp(protocol, "https") == 0) {
 		} else if(strcmp(protocol, "pop3s") == 0) {
+		} else if(strcmp(protocol, "gemini") == 0) {
 #endif
 		} else if(strcmp(protocol, "gopher") == 0) {
 		} else if(strcmp(protocol, "pop3") == 0) {
@@ -136,6 +142,10 @@ void W3_Send_Request(struct W3* w3) {
 #endif
 	) {
 		__W3_POP3_Request(w3);
+#ifdef SSL_SUPPORT
+	} else if(strcmp(w3->protocol, "gemini") == 0) {
+		__W3_Gemini_Request(w3);
+#endif
 	} else if(strcmp(w3->protocol, "file") == 0) {
 		__W3_File_Request(w3);
 	}
diff --git a/Library/Gemini.c b/Library/Gemini.c
index d7e6857..0d6fa82 100644
--- a/Library/Gemini.c
+++ b/Library/Gemini.c
@@ -1,5 +1,85 @@
 /* $Id$ */
 #include "W3Gemini.h"
 
-void __W3_Gemini_Request(struct W3* w3){
+#include "W3Util.h"
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+void __W3_Gemini_Request(struct W3* w3) {
+	__W3_Debug("LibW3-Gemini", "Sending the request");
+	__W3_Auto_Write(w3, "gemini://", 9);
+	__W3_Auto_Write(w3, w3->hostname, strlen(w3->hostname));
+	char* portstr = malloc(10);
+	memset(portstr, 0, 10);
+	sprintf(portstr, ":%d", w3->port);
+	__W3_Auto_Write(w3, portstr, strlen(portstr));
+	__W3_Auto_Write(w3, w3->path, strlen(w3->path));
+	__W3_Auto_Write(w3, "\r\n", 2);
+	char* buf = malloc(w3->readsize);
+	bool status = true;
+	char* code = malloc(1);
+	code[0] = 0;
+	char* meta = malloc(1);
+	meta[0] = 0;
+	bool bcode = true;
+	while(true) {
+		int len = __W3_Auto_Read(w3, buf, w3->readsize);
+		if(len <= 0) break;
+		int i = 0;
+		if(status){
+			for(i = 0; i < len; i++){
+				if(buf[i] == '\n'){
+					status = false;
+					break;
+				}else if(buf[i] == '\r'){
+					if(!bcode){
+						if(atoi(code) == 20){
+							void* funcptr = __W3_Get_Event(w3, "header");
+							if(funcptr != NULL) {
+								void (*func)(struct W3*, char*, char*) = (void (*)(struct W3*, char*, char*))funcptr;
+								func(w3, "Content-Type", meta);
+							}
+						}
+					}
+				}else if(!bcode){
+					char* tmp = meta;
+					char* cbuf = malloc(2);
+					cbuf[0] = buf[i];
+					cbuf[1] = 0;
+					meta = __W3_Concat(tmp, cbuf);
+					free(tmp);
+					free(cbuf);
+				}else if(bcode){
+					if(buf[i] == ' '){
+						bcode = false;
+						void* funcptr = __W3_Get_Event(w3, "status");
+						if(funcptr != NULL) {
+							void (*func)(struct W3*, int) = (void (*)(struct W3*, int))funcptr;
+							func(w3, atoi(code));
+						}
+					}else{
+						char* tmp = code;
+						char* cbuf = malloc(2);
+						cbuf[0] = buf[i];
+						cbuf[1] = 0;
+						code = __W3_Concat(tmp, cbuf);
+						free(tmp);
+						free(cbuf);
+					}
+				}
+			}
+			i++;
+		}
+		void* funcptr = __W3_Get_Event(w3, "data");
+		if(funcptr != NULL) {
+			void (*func)(struct W3*, char*, size_t) = (void (*)(struct W3*, char*, size_t))funcptr;
+			func(w3, buf + i, len - i);
+		}
+	}
+	free(meta);
+	free(code);
+	free(buf);
 }
diff --git a/Library/URL.c b/Library/URL.c
index 59ebdc9..a3f8ec6 100644
--- a/Library/URL.c
+++ b/Library/URL.c
@@ -60,6 +60,8 @@ struct W3URL* W3_Parse_URL(const char* _url) {
 					r->port = 443;
 				} else if(strcmp(r->protocol, "gopher") == 0) {
 					r->port = 70;
+				} else if(strcmp(r->protocol, "gemini") == 0) {
+					r->port = 1965;
 				}
 			}
 			r->host = __W3_Strdup(url + start);
diff --git a/W3Version.h.p b/W3Version.h.p
index d9d9722..927ed55 100644
--- a/W3Version.h.p
+++ b/W3Version.h.p
@@ -6,7 +6,7 @@
 extern "C" {
 #endif
 
-#define LIBW3_VERSION "2.5" \
+#define LIBW3_VERSION "2.5A" \
 SUFFIX
 
 #ifdef __cplusplus
-- 
2.43.0