9 files changed, 193 insertions(+), 50 deletions(-)

A bin/chat0/Makefile
A bin/chat0/TODO
A bin/chat0/config.h
D bin/chat0/index.gmi
D bin/chat0/post
A bin/chat0/post.c
D bin/chat0/postuser
A bin/chat0/postuser.c
A bin/chat0/view.c

@@ 0,0 1,15 @@
+all: index.gmi post postuser
+
+CFLAGS=-O3 -Wall -Wextra -pedantic -Wpedantic
+
+index.gmi: view.c config.h
+	cc $(CFLAGS) view.c -o index.gmi
+
+post: post.c config.h
+	cc $(CFLAGS) post.c -o post
+
+postuser: postuser.c config.h
+	cc $(CFLAGS) postuser.c -o postuser
+
+clean:
+	rm -f index.gmi post postuser

@@ 0,0 1,3 @@
+[ ] Implement spam protection
+[ ] Implement multi line support
+[ ] add message ids

@@ 0,0 1,4 @@
+#pragma once
+
+#define CHAT_NUM "2"
+#define BUFF_SIZE 600

@@ 1,14 0,0 @@
-#! /bin/dash
-
-echo "20 text/gemini\r\n"
-echo "# Chatroom 0"
-echo "=> postuser post"
-echo "=> post post anonymously"
-echo "=> $GEMINI_URL refresh"
-printf "\n"
-
-echo ---
-echo "\`\`\` Messages"
-tac message_log | awk '$1 != '\n' {print $0}'
-echo "\`\`\`"
-echo ---

@@ 1,24 0,0 @@
-#! /bin/bash
-
-chatNum=0
-
-if [ -z "$QUERY_STRING" ]; then
-	echo -e "10 Message\r\n"
-fi
-
-user=$(echo $PATH_INFO | cut -d '/' -f 2)
-
-if [ -z "$user" ]; then
-	user="anon"
-fi
-
-nstr=$(echo $QUERY_STRING | sed 's/\(%0A\|
\)/ /g' | sed 's/%/\\x/g')
-nuser=$(echo ${user//[!A-z]/})
-
-if [ $(cat last_message) != $nstr ]; then
-	printf "($(date "+%Y/%m/%d %R %Z")) $(echo $nuser: $nstr | awk '{printf "%9s %s\n", $1, $2}')\n" >> message_log
-	echo $nstr > last_message
-	echo -e "30 /bin/chat$chatNum\r\n"
-else
-	echo -e "40 Message failed! Reason: Spam protection\r\n"
-fi

@@ 0,0 1,95 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "config.h"
+
+char *
+removeExtraChars(char user[9])
+{
+	static char nUser[9];
+	unsigned int nUserLen = 0;
+
+	for (unsigned int i = 0; i < 9; i++) {
+		if ((user[i] >= 'a' && user[i] <= 'z') || (user[i] >= 'A' && user[i] <= 'Z') || (user[i] >= '0' && user[i] <= '9'))
+			nUser[nUserLen++] = user[i];
+		else if (user[i] == '\0')
+			break;
+	}
+	return nUser;
+}
+
+void
+convert(char *str, char **nstr)
+{ /* free ret after */
+	size_t strsize = strlen(str), retsize = 0;
+	char *ret = malloc(strsize);
+	char tmp[2];
+
+	for (unsigned int i = 0; i < strsize; i++) {
+		if (str[i] == '%') {
+			ret = realloc(ret, ++retsize);
+			tmp[0] = str[++i];
+			tmp[1] = str[++i];
+			sscanf(tmp, "%x", (unsigned int *)&ret[retsize - 1]);
+		} else  ret[retsize++] = str[i];
+	}
+	ret[retsize] = '\0';
+	*nstr = ret;
+}
+
+void
+getTime(char **timestr)
+{
+	time_t t = time(NULL);
+	struct tm tm = *localtime(&t);
+	sprintf(*timestr, "(%d/%02d/%02d %02d:%02d)", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min);
+}
+
+int
+main()
+{
+	/* variables */
+	char *PATH_INFO = getenv("PATH_INFO");
+	char *QUERY_STRING = getenv("QUERY_STRING");
+	char user[9];
+	FILE *ml;
+
+	/* get username */
+	if (PATH_INFO == NULL || !strcmp(PATH_INFO, ""))
+		memcpy(user, "anon\0", 5);
+	else {
+		if (strlen(PATH_INFO) > 9) {
+			puts("40 Message failed! Reason: Username must be below 9 characters\r");
+			exit(0);
+		} else memcpy(user, removeExtraChars(PATH_INFO), 9);
+	}
+
+	/* get input */
+	if (QUERY_STRING == NULL)
+		puts("10 Message\r");
+	if (QUERY_STRING == NULL)
+		exit(0);
+
+	/* 
+	 * write message to file
+	 */
+	ml = fopen("message_log", "a");
+	/* get time */
+	char *timestr = malloc(19);
+	getTime(&timestr);
+
+	/* replace % with \x */
+	char *message;
+	convert(QUERY_STRING, &message);
+
+	/* print to file */
+	fprintf(ml, "%s %8s: %s\n", timestr, user, message);
+	free(timestr);
+	free(message);
+	fclose(ml);
+
+	/* redirect back to messages */
+	puts("30 /bin/chat"CHAT_NUM"/\r");
+}

@@ 1,12 0,0 @@
-#! /bin/dash
-
-if [ -z $QUERY_STRING ]; then
-	echo "10 Username\r\n"
-fi
-
-if [ ${#QUERY_STRING} -gt 9 ]; then
-	echo "40 Message failed! Reason: Username must be below 9 characters\r\n"
-	exit 0
-fi
-
-echo "30 post/$QUERY_STRING\r\n"

@@ 0,0 1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int
+main()
+{
+	if (getenv("QUERY_STRING") == NULL)
+		puts("10 username \r");
+	printf("30 post/%s\r\n", getenv("QUERY_STRING"));
+}

@@ 0,0 1,65 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "config.h"
+
+char *
+fgetsr(char *str, unsigned int size, FILE *fp)	/* fgets, reversed */
+{
+	/* Stop if we're at the beginning of the file */
+	if (ftell(fp) == 0)
+		return NULL;
+
+	unsigned int i;
+	for (i = 0; ftell(fp) != 0 && i < size; i++ ) {
+		fseek(fp, -1, SEEK_CUR);
+		str[i] = (char)fgetc(fp);
+
+		if (str[i] == '\n' && i != 0 ) {
+		    break;
+		}
+
+		fseek(fp, -1, SEEK_CUR);
+	}
+	str[i] = '\0';
+	return str;
+}
+
+void
+reverseStr(char *start)
+{
+	size_t len = strlen(start);
+
+	for (char *end = &start[len - 1]; start < end; start++, end--) {
+		char tmp = start[0];
+		start[0] = end[0];
+		end[0] = tmp;
+	}
+}
+
+int
+main()
+{
+	/* open file and navigate to the end */
+	FILE *ml = fopen("message_log", "r");	/* message log */
+	fseek(ml, 0, SEEK_END);
+ 
+	/* write links */
+	puts("20 text/gemini\r");
+	puts("# Chatroom 0");
+	puts("=> postuser post");
+	puts("=> post post anonymously");
+	puts("=> /bin/chat"CHAT_NUM"/ refresh\n");
+
+	/* print file backwards */
+	char buff[BUFF_SIZE];
+	puts("---");
+	puts("``` messages");
+	while (fgetsr(buff, BUFF_SIZE, ml) != NULL) {
+		reverseStr(buff);
+		printf("%s", buff);
+	}
+	fclose(ml);
+	puts("```");
+	puts("---");
+}