opendal/services/gdrive/
builder.rs1use std::fmt::Debug;
19use std::fmt::Formatter;
20use std::sync::Arc;
21
22use chrono::DateTime;
23use chrono::Utc;
24use log::debug;
25use tokio::sync::Mutex;
26
27use super::backend::GdriveBackend;
28use super::core::GdriveCore;
29use super::core::GdrivePathQuery;
30use super::core::GdriveSigner;
31use crate::raw::normalize_root;
32use crate::raw::Access;
33use crate::raw::AccessorInfo;
34use crate::raw::HttpClient;
35use crate::raw::PathCacher;
36use crate::services::GdriveConfig;
37use crate::Scheme;
38use crate::*;
39
40impl Configurator for GdriveConfig {
41 type Builder = GdriveBuilder;
42
43 #[allow(deprecated)]
44 fn into_builder(self) -> Self::Builder {
45 GdriveBuilder {
46 config: self,
47 http_client: None,
48 }
49 }
50}
51
52#[derive(Default)]
54#[doc = include_str!("docs.md")]
55pub struct GdriveBuilder {
56 config: GdriveConfig,
57
58 #[deprecated(since = "0.53.0", note = "Use `Operator::update_http_client` instead")]
59 http_client: Option<HttpClient>,
60}
61
62impl Debug for GdriveBuilder {
63 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
64 f.debug_struct("Backend")
65 .field("config", &self.config)
66 .finish()
67 }
68}
69
70impl GdriveBuilder {
71 pub fn root(mut self, root: &str) -> Self {
73 self.config.root = if root.is_empty() {
74 None
75 } else {
76 Some(root.to_string())
77 };
78
79 self
80 }
81
82 pub fn access_token(mut self, access_token: &str) -> Self {
93 self.config.access_token = Some(access_token.to_string());
94 self
95 }
96
97 pub fn refresh_token(mut self, refresh_token: &str) -> Self {
103 self.config.refresh_token = Some(refresh_token.to_string());
104 self
105 }
106
107 pub fn client_id(mut self, client_id: &str) -> Self {
111 self.config.client_id = Some(client_id.to_string());
112 self
113 }
114
115 pub fn client_secret(mut self, client_secret: &str) -> Self {
119 self.config.client_secret = Some(client_secret.to_string());
120 self
121 }
122
123 #[deprecated(since = "0.53.0", note = "Use `Operator::update_http_client` instead")]
130 #[allow(deprecated)]
131 pub fn http_client(mut self, http_client: HttpClient) -> Self {
132 self.http_client = Some(http_client);
133 self
134 }
135}
136
137impl Builder for GdriveBuilder {
138 const SCHEME: Scheme = Scheme::Gdrive;
139 type Config = GdriveConfig;
140
141 fn build(self) -> Result<impl Access> {
142 let root = normalize_root(&self.config.root.unwrap_or_default());
143 debug!("backend use root {root}");
144
145 let info = AccessorInfo::default();
146 info.set_scheme(Scheme::Gdrive)
147 .set_root(&root)
148 .set_native_capability(Capability {
149 stat: true,
150
151 read: true,
152
153 list: true,
154
155 write: true,
156
157 create_dir: true,
158 delete: true,
159 rename: true,
160 copy: true,
161
162 shared: true,
163
164 ..Default::default()
165 });
166
167 #[allow(deprecated)]
169 if let Some(client) = self.http_client {
170 info.update_http_client(|_| client);
171 }
172
173 let accessor_info = Arc::new(info);
174 let mut signer = GdriveSigner::new(accessor_info.clone());
175 match (self.config.access_token, self.config.refresh_token) {
176 (Some(access_token), None) => {
177 signer.access_token = access_token;
178 signer.expires_in = DateTime::<Utc>::MAX_UTC;
180 }
181 (None, Some(refresh_token)) => {
182 let client_id = self.config.client_id.ok_or_else(|| {
183 Error::new(
184 ErrorKind::ConfigInvalid,
185 "client_id must be set when refresh_token is set",
186 )
187 .with_context("service", Scheme::Gdrive)
188 })?;
189 let client_secret = self.config.client_secret.ok_or_else(|| {
190 Error::new(
191 ErrorKind::ConfigInvalid,
192 "client_secret must be set when refresh_token is set",
193 )
194 .with_context("service", Scheme::Gdrive)
195 })?;
196
197 signer.refresh_token = refresh_token;
198 signer.client_id = client_id;
199 signer.client_secret = client_secret;
200 }
201 (Some(_), Some(_)) => {
202 return Err(Error::new(
203 ErrorKind::ConfigInvalid,
204 "access_token and refresh_token cannot be set at the same time",
205 )
206 .with_context("service", Scheme::Gdrive))
207 }
208 (None, None) => {
209 return Err(Error::new(
210 ErrorKind::ConfigInvalid,
211 "access_token or refresh_token must be set",
212 )
213 .with_context("service", Scheme::Gdrive))
214 }
215 };
216
217 let signer = Arc::new(Mutex::new(signer));
218
219 Ok(GdriveBackend {
220 core: Arc::new(GdriveCore {
221 info: accessor_info.clone(),
222 root,
223 signer: signer.clone(),
224 path_cache: PathCacher::new(GdrivePathQuery::new(accessor_info, signer))
225 .with_lock(),
226 }),
227 })
228 }
229}