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
use { crate::*, std::{ net::{ IpAddr, AddrParseError, }, num::ParseIntError, str::FromStr, }, thiserror::Error, }; #[derive(Debug, Error)] pub enum LogParseError { #[error("invalid remote addr")] InvalidRemoteAddr(#[from] AddrParseError), #[error("invalid log line {0:?}")] InvalidLogLine(String), #[error("character not found {0:?}")] CharNotFound(char), #[error("date parse error")] InvalidDate(#[from] DateParseError), #[error("expected int")] IntExpected(#[from] ParseIntError), } #[derive(Debug, Clone)] pub struct LogLine { pub remote_addr: IpAddr, pub date: Date, pub method: Method, pub path: String, pub status: u16, pub bytes_sent: u64, pub referer: String, } impl LogLine { pub fn is_resource(&self) -> bool { let s = &self.path; s.ends_with(".png") || s.ends_with(".css") || s.ends_with(".svg") || s.ends_with(".jpg") || s.ends_with(".jpg") || s.ends_with(".jpeg") || s.ends_with(".gif") || s.ends_with(".ico") || s.ends_with(".js") || s.ends_with(".woff2") || s.ends_with(".webp") } } impl FromStr for LogLine { type Err = LogParseError; fn from_str(s: &str) -> Result<Self, Self::Err> { let mut ranger = Ranger::new(s); let remote_addr = IpAddr::from_str(ranger.until(' ')?)?; let date = Date::from_nginx(ranger.between('[', ']')?)?; let mut request = ranger.between('"', '"')?.split(' '); let (method, path) = match (request.next(), request.next()) { (Some(method), Some(path)) => (Method::from(method), path), (Some(path), None) => (Method::None, path), _ => unreachable!(), }; let path = path.split('?').next().unwrap().to_string(); let status = ranger.between(' ', ' ')?.parse()?; let bytes_sent = ranger.between(' ', ' ')?.parse()?; let referer = ranger.between('"', '"')?.to_string(); Ok(LogLine { remote_addr, date, method, path, status, bytes_sent, referer, }) } } #[cfg(test)] mod log_line_parsing_tests { use { super::*, std::{ net::{ Ipv4Addr, }, }, }; static SIO_PULL_LINE: &str = r#"10.232.28.160 - - [22/Jan/2021:02:49:30 +0000] "GET /socket.io/?EIO=3&transport=polling&t=NSd_nu- HTTP/1.1" 200 99 "https://miaou.dystroy.org/3" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36""#; #[test] fn parse_normal_line() { let ll = LogLine::from_str(SIO_PULL_LINE).unwrap(); assert_eq!(ll.remote_addr, IpAddr::V4(Ipv4Addr::new(10, 232, 28, 160))); assert_eq!(ll.method, Method::Get); assert_eq!(ll.path, "/socket.io/"); assert_eq!(ll.status, 200); assert_eq!(ll.bytes_sent, 99); assert_eq!(ll.referer, "https://miaou.dystroy.org/3".to_string()); } static NO_VERB_LINE: &str = r#"119.142.145.250 - - [10/Jan/2021:10:27:01 +0000] "\x16\x03\x01\x00u\x01\x00\x00q\x03\x039a\xDF\xCA\x90\xB1\xB4\xC2SB\x96\xF0\xB7\x96CJD\xE1\xBF\x0E\xE1Y\xA2\x87v\x1D\xED\xBDo\x05A\x9D\x00\x00\x1A\xC0/\xC0+\xC0\x11\xC0\x07\xC0\x13\xC0\x09\xC0\x14\xC0" 400 173 "-" "-""#; #[test] fn parse_no_method_line() { let ll = LogLine::from_str(NO_VERB_LINE).unwrap(); assert_eq!(ll.method, Method::None); assert_eq!(ll.status, 400); assert_eq!(ll.bytes_sent, 173); } }