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Commit | Line | Data |
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16b48b81 | 1 | use std::collections::HashMap; |
2ab5acac DC |
2 | use std::path::PathBuf; |
3 | use std::time::SystemTime; | |
4 | use std::fs::metadata; | |
8e7e2223 | 5 | use std::sync::{Mutex, RwLock}; |
16b48b81 | 6 | |
2ab5acac | 7 | use anyhow::{bail, Error, format_err}; |
16b48b81 | 8 | use hyper::Method; |
f9e3b110 | 9 | use handlebars::Handlebars; |
2ab5acac | 10 | use serde::Serialize; |
16b48b81 | 11 | |
a2479cfa | 12 | use proxmox::api::{ApiMethod, Router, RpcEnvironmentType}; |
8e7e2223 TL |
13 | use proxmox::tools::fs::{create_path, CreateOptions}; |
14 | ||
15 | use crate::tools::{FileLogger, FileLogOptions}; | |
a2479cfa | 16 | |
16b48b81 DM |
17 | pub struct ApiConfig { |
18 | basedir: PathBuf, | |
e63e99d6 | 19 | router: &'static Router, |
16b48b81 | 20 | aliases: HashMap<String, PathBuf>, |
02c7a755 | 21 | env_type: RpcEnvironmentType, |
2ab5acac DC |
22 | templates: RwLock<Handlebars<'static>>, |
23 | template_files: RwLock<HashMap<String, (SystemTime, PathBuf)>>, | |
8e7e2223 | 24 | request_log: Option<Mutex<FileLogger>>, |
16b48b81 DM |
25 | } |
26 | ||
27 | impl ApiConfig { | |
28 | ||
f9e3b110 | 29 | pub fn new<B: Into<PathBuf>>(basedir: B, router: &'static Router, env_type: RpcEnvironmentType) -> Result<Self, Error> { |
f9e3b110 | 30 | Ok(Self { |
2ab5acac | 31 | basedir: basedir.into(), |
653b1ca1 | 32 | router, |
16b48b81 | 33 | aliases: HashMap::new(), |
02c7a755 | 34 | env_type, |
2ab5acac DC |
35 | templates: RwLock::new(Handlebars::new()), |
36 | template_files: RwLock::new(HashMap::new()), | |
8e7e2223 | 37 | request_log: None, |
f9e3b110 | 38 | }) |
16b48b81 DM |
39 | } |
40 | ||
255f378a DM |
41 | pub fn find_method( |
42 | &self, | |
43 | components: &[&str], | |
44 | method: Method, | |
45 | uri_param: &mut HashMap<String, String>, | |
46 | ) -> Option<&'static ApiMethod> { | |
16b48b81 | 47 | |
01bf3b7b | 48 | self.router.find_method(components, method, uri_param) |
16b48b81 DM |
49 | } |
50 | ||
51 | pub fn find_alias(&self, components: &[&str]) -> PathBuf { | |
52 | ||
53 | let mut prefix = String::new(); | |
54 | let mut filename = self.basedir.clone(); | |
55 | let comp_len = components.len(); | |
56 | if comp_len >= 1 { | |
57 | prefix.push_str(components[0]); | |
58 | if let Some(subdir) = self.aliases.get(&prefix) { | |
59 | filename.push(subdir); | |
60 | for i in 1..comp_len { filename.push(components[i]) } | |
8adbdb0a DM |
61 | } else { |
62 | for i in 0..comp_len { filename.push(components[i]) } | |
16b48b81 DM |
63 | } |
64 | } | |
65 | filename | |
66 | } | |
67 | ||
68 | pub fn add_alias<S, P>(&mut self, alias: S, path: P) | |
69 | where S: Into<String>, | |
70 | P: Into<PathBuf>, | |
71 | { | |
72 | self.aliases.insert(alias.into(), path.into()); | |
73 | } | |
02c7a755 DM |
74 | |
75 | pub fn env_type(&self) -> RpcEnvironmentType { | |
76 | self.env_type | |
77 | } | |
2ab5acac DC |
78 | |
79 | pub fn register_template<P>(&self, name: &str, path: P) -> Result<(), Error> | |
80 | where | |
81 | P: Into<PathBuf> | |
82 | { | |
83 | if self.template_files.read().unwrap().contains_key(name) { | |
84 | bail!("template already registered"); | |
85 | } | |
86 | ||
87 | let path: PathBuf = path.into(); | |
88 | let metadata = metadata(&path)?; | |
89 | let mtime = metadata.modified()?; | |
90 | ||
91 | self.templates.write().unwrap().register_template_file(name, &path)?; | |
92 | self.template_files.write().unwrap().insert(name.to_string(), (mtime, path)); | |
93 | ||
94 | Ok(()) | |
95 | } | |
96 | ||
97 | /// Checks if the template was modified since the last rendering | |
98 | /// if yes, it loads a the new version of the template | |
99 | pub fn render_template<T>(&self, name: &str, data: &T) -> Result<String, Error> | |
100 | where | |
101 | T: Serialize, | |
102 | { | |
103 | let path; | |
104 | let mtime; | |
105 | { | |
106 | let template_files = self.template_files.read().unwrap(); | |
107 | let (old_mtime, old_path) = template_files.get(name).ok_or_else(|| format_err!("template not found"))?; | |
108 | ||
109 | mtime = metadata(old_path)?.modified()?; | |
110 | if mtime <= *old_mtime { | |
111 | return self.templates.read().unwrap().render(name, data).map_err(|err| format_err!("{}", err)); | |
112 | } | |
113 | path = old_path.to_path_buf(); | |
114 | } | |
115 | ||
116 | { | |
117 | let mut template_files = self.template_files.write().unwrap(); | |
118 | let mut templates = self.templates.write().unwrap(); | |
119 | ||
120 | templates.register_template_file(name, &path)?; | |
121 | template_files.insert(name.to_string(), (mtime, path)); | |
122 | ||
123 | templates.render(name, data).map_err(|err| format_err!("{}", err)) | |
124 | } | |
125 | } | |
8e7e2223 TL |
126 | |
127 | pub fn enable_file_log<P>(&mut self, path: P) -> Result<(), Error> | |
128 | where | |
129 | P: Into<PathBuf> | |
130 | { | |
131 | let path: PathBuf = path.into(); | |
132 | if let Some(base) = path.parent() { | |
133 | if !base.exists() { | |
134 | let backup_user = crate::backup::backup_user()?; | |
135 | let opts = CreateOptions::new().owner(backup_user.uid).group(backup_user.gid); | |
136 | create_path(base, None, Some(opts)).map_err(|err| format_err!("{}", err))?; | |
137 | } | |
138 | } | |
139 | ||
140 | let logger_options = FileLogOptions { | |
141 | append: true, | |
142 | ..Default::default() | |
143 | }; | |
144 | self.request_log = Some(Mutex::new(FileLogger::new(&path, logger_options)?)); | |
145 | ||
146 | Ok(()) | |
147 | } | |
148 | pub fn get_file_log(&self) -> Option<&Mutex<FileLogger>> { | |
149 | self.request_log.as_ref() | |
150 | } | |
16b48b81 | 151 | } |