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#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "err.h"
#include "db.h"
#include "query.h"
#include "site.h"
/* Print UNIX timestamp as written date. */
void
printdate(int timestamp)
{
char buf[20];
struct tm *t;
t = localtime((time_t *)×tamp);
strftime(buf, 20, "%Y-%m-%d %H:%M", t);
printf(buf);
}
/*
* The `new' functions provide a way to add a new attachment/post/user.
* On GET, they show a form. On POST, they insert the posted information
* into the database.
*/
void
newatt()
{}
void
newpost()
{}
void
newuser()
{
char *confirm, *hlite, *msg, *name, *full, *p, *pass, *v;
char title[] = "New User";
if(!(msg = malloc(128)))
err(1, "malloc");
*msg = 0;
confirm = hlite = name = full = pass = NULL;
if(query.method == GET){
printf("Content-Type: text/html\n\n");
#include "t/newuser.tc"
return;
}
while(p = nextparam(POST, MAXUSERPARAM)){
if(!(v = split(p))) continue;
if(!confirm && strcmp(p, "confirm") == 0)
confirm = strdup(v);
else if(!name && strcmp(p, "name") == 0)
name = strdup(v);
else if(!full && strcmp(p, "full") == 0)
full = strdup(v);
else if(!pass && strcmp(p, "pass") == 0)
pass = strdup(v);
else
continue;
if(TRUNCATED(p)){
hlite = strdup(p);
snprintf(msg, 128,
"Input length exceeds server limitations");
goto err;
}
}
/* Ensure all required fields are there. */
if(!name || !*name || !pass || !*pass){
hlite = (!name || !*name)? strdup("name"): strdup("pass");
snprintf(msg, 128, "Required field missing");
goto err;
}
/* Decode URL-encoded fields. */
/* Restrain lengths of decoded fields. */
if(name && *name && strlen(name)-1 > MAXUSERNAME){
hlite = strdup("name");
snprintf(msg, 128, "Username longer than %d characters",
MAXUSERNAME-1);
goto err;
}
if(full && *full && strlen(full)-1 > MAXUSERFULL){
hlite = strdup("full");
snprintf(msg, 128, "Full name longer than %d characters",
MAXUSERFULL-1);
goto err;
}
if(pass && *pass && strlen(pass)-1 > MAXUSERPASS){
hlite = strdup("pass");
snprintf(msg, 128, "Password longer than %d characters",
MAXUSERPASS-1);
goto err;
}
if(pass && confirm && strcmp(pass, confirm) != 0){
snprintf(msg, 128, "Passwords do not match");
goto err;
}
printf("Content-Type: text/html\n\n");
printf("You are valid\n");
return;
err:
printf("Content-Type: text/html\n\n");
#include "t/newuser.tc"
return;
}
/*
* The `show' functions show an existing attachment/post/user
* or some other type of page.
*/
void
showatt(id)
{
struct att *att;
if(!(att = getatt(selectbyint("atts", "oid", id)))){
srverr("Could not retrieve attachment");
return;
}
printf("Content-Type: %s\n\n", att->mime);
printf("%.*s", att->bytes, att->data);
free(att);
}
void
showfront()
{
char *title;
struct post *post;
struct user *user;
sqlite3_stmt *pstmt, *ustmt;
if(sqlite3_prepare(db,
"SELECT oid, * from posts ORDER BY created DESC",
-1, &pstmt, 0) != SQLITE_OK){
srverr("Could not retrieve posts");
return;
}
if(sqlite3_prepare(db,
"SELECT oid, * from users ORDER BY created DESC",
-1, &ustmt, 0) != SQLITE_OK){
srverr("Could not retrieve users");
return;
}
title = site.name;
printf("Content-Type: text/html\n\n");
#include "t/front.tc"
}
void
showpost(int id)
{
char *title;
struct att *att;
struct post *post;
struct user *user;
sqlite3_stmt *stmt;
if(!(post = getpost(selectbyint("posts", "oid", id)))){
srverr("Could not retrieve post");
return;
}
if(!(user = getuser(selectbyint("users", "oid", post->user)))){
srverr("Could not retrieve post author");
return;
}
stmt = selectbyint("atts", "post", id);
title = post->subject;
printf("Content-Type: text/html\n\n");
#include "t/post.tc"
free(user);
free(post);
}
void
showuser(int id)
{
char title[120];
sqlite3_stmt *stmt;
struct post *post;
struct user *user;
if(!(user = getuser(selectbyint("users", "oid", id)))){
srverr("Could not retrieve user");
return;
}
if(sqlite3_prepare(db,
"SELECT oid, * from posts WHERE user = ? ORDER BY created DESC",
-1, &stmt, 0) != SQLITE_OK)
goto err;
if(sqlite3_bind_int(stmt, 1, id) != SQLITE_OK)
goto err;
snprintf(title, 120, "User: %s", user->full? user->full: user->name);
printf("Content-Type: text/html\n\n");
#include "t/user.tc"
free(user);
return;
err:
srverr("Could not retrieve posts");
return;
}
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