1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
extern crate fastcgi;
#[macro_use]
extern crate log;
extern crate mysql;
extern crate simplelog;
extern crate license_generator;
use std::env;
use std::fs::OpenOptions;
use std::io::{Read, Write};
use simplelog::{Config, LevelFilter, WriteLogger};
use license_generator::database;
use license_generator::errors::*;
use license_generator::params;
use license_generator::purchaser::Purchaser;
use license_generator::request;
use license_generator::response;
fn log_request(req: &fastcgi::Request, post_params: &str) {
info!(
"{method} {path} {query} - {protocol} - {user_agent} - {remote_addr} | {forwarded_for} / {post_params}",
method = req.param("REQUEST_METHOD")
.unwrap_or("REQUEST_METHOD".into()),
path = req.param("SCRIPT_NAME")
.unwrap_or("SCRIPT_NAME".into()),
query = req.param("QUERY_STRING")
.unwrap_or("QUERY_STRING".into()),
protocol = req.param("SERVER_PROTOCOL")
.unwrap_or("SERVER_PROTOCOL".into()),
user_agent = req.param("HTTP_USER_AGENT")
.unwrap_or("HTTP_USER_AGENT".into()),
remote_addr = req.param("REMOTE_ADDR")
.unwrap_or("REMOTE_ADDR".into()),
forwarded_for = req.param("HTTP_X_FORWARDED_FOR")
.unwrap_or("HTTP_X_FORWARDED_FOR".into()),
post_params = post_params,
);
}
fn main() -> Result<()> {
let log_file_path = env::var("LOG_FILE")
.chain_err(|| "LOG_FILE environment variable not found")?;
let log_file = OpenOptions::new()
.append(true)
.create(true)
.open(log_file_path)?;
let mut log_config = Config::default();
log_config.time_format = Some("%+");
WriteLogger::init(LevelFilter::Info, log_config, log_file)?;
let pool = match database::get_database_pool()
.chain_err(|| "failed to create a database connection pool")
{
Ok(pool) => pool,
Err(e) => {
error!("{}", e);
return Err(e);
},
};
fastcgi::run(move |mut req| {
let mut params = String::new();
match req.stdin().read_to_string(&mut params) {
Ok(_) => (),
Err(e) => error!("{}", e),
}
log_request(&req, ¶ms);
match req.param("REQUEST_METHOD") {
Some(method) => {
if method != "POST" {
return response::error_405(&mut req.stdout(), "POST");
}
},
None => {
return response::error_500(&mut req.stdout(), None);
},
};
let ps = params::parse(¶ms);
let is_verified = match request::verified(&ps) {
Ok(v) => v,
Err(e) => {
return response::error_500(&mut req.stdout(), Some(e));
},
};
if is_verified {
let name = ps.get("name");
let email = ps.get("email");
if name.is_some() && email.is_some() {
let purchaser = Purchaser::new(name.unwrap(), email.unwrap());
let mut cx = match pool.get_conn() {
Ok(cx) => cx,
Err(e) => {
return response::error_500(
&mut req.stdout(),
Some(e.into())
);
},
};
match purchaser.insert(&mut cx) {
Ok(_) => {
// TODO: Print message to be appended to user email
write!(&mut req.stdout(), "Content-Type: text/plain
200 OK")
.unwrap_or(());
return;
},
Err(e) => {
return response::error_500(&mut req.stdout(), Some(e));
},
}
}
return response::error_500(
&mut req.stdout(),
Some("Purchaser name or email not set".into())
);
}
response::error_403(
&mut req.stdout(),
Some("Invalid request signature")
);
});
Ok(())
}
|
