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opendal_service_onedrive/
backend.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use std::sync::Arc;
19
20use http::StatusCode;
21
22use opendal_core::raw::*;
23use opendal_core::*;
24
25use super::core::parse_error;
26use super::core::{ErrorContext, OneDriveCore};
27use super::deleter::OneDriveDeleter;
28use super::lister::OneDriveLister;
29use super::reader::*;
30use super::writer::OneDriveWriter;
31
32use std::fmt::Debug;
33
34use asyncband::mutex::Mutex;
35use log::debug;
36
37use super::ONEDRIVE_SCHEME;
38use super::config::OnedriveConfig;
39use super::core::OneDriveSigner;
40
41/// Microsoft [OneDrive](https://onedrive.com) backend support.
42#[doc = include_str!("docs.md")]
43#[derive(Default)]
44pub struct OnedriveBuilder {
45    pub(super) config: OnedriveConfig,
46}
47
48impl Debug for OnedriveBuilder {
49    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
50        f.debug_struct("OnedriveBuilder")
51            .field("config", &self.config)
52            .finish_non_exhaustive()
53    }
54}
55
56impl OnedriveBuilder {
57    /// Set root path of OneDrive folder.
58    pub fn root(mut self, root: &str) -> Self {
59        self.config.root = if root.is_empty() {
60            None
61        } else {
62            Some(root.to_string())
63        };
64
65        self
66    }
67
68    /// Set the access token for a time limited access to Microsoft Graph API (also OneDrive).
69    ///
70    /// Microsoft Graph API uses a typical OAuth 2.0 flow for authentication and authorization.
71    /// You can get a access token from [Microsoft Graph Explore](https://developer.microsoft.com/en-us/graph/graph-explorer).
72    ///
73    /// # Note
74    ///
75    /// - An access token is short-lived.
76    /// - Use a refresh_token if you want to use OneDrive API for an extended period of time.
77    pub fn access_token(mut self, access_token: &str) -> Self {
78        self.config.access_token = Some(access_token.to_string());
79        self
80    }
81
82    /// Set the refresh token for long term access to Microsoft Graph API.
83    ///
84    /// OpenDAL will use a refresh token to maintain a fresh access token automatically.
85    ///
86    /// # Note
87    ///
88    /// - A refresh token is available through a OAuth 2.0 flow, with an additional scope `offline_access`.
89    pub fn refresh_token(mut self, refresh_token: &str) -> Self {
90        self.config.refresh_token = Some(refresh_token.to_string());
91        self
92    }
93
94    /// Set the client_id for a Microsoft Graph API application (available though Azure's registration portal)
95    ///
96    /// Required when using the refresh token.
97    pub fn client_id(mut self, client_id: &str) -> Self {
98        self.config.client_id = Some(client_id.to_string());
99        self
100    }
101
102    /// Set the client_secret for a Microsoft Graph API application
103    ///
104    /// Required for Web app when using the refresh token.
105    /// Don't use a client secret when use in a native app since the native app can't store the secret reliably.
106    pub fn client_secret(mut self, client_secret: &str) -> Self {
107        self.config.client_secret = Some(client_secret.to_string());
108        self
109    }
110
111    /// Deprecated: OneDrive supports version listing without this option.
112    #[deprecated(
113        since = "0.57.0",
114        note = "OneDrive supports version listing without this option."
115    )]
116    pub fn enable_versioning(self, _enabled: bool) -> Self {
117        self
118    }
119}
120
121impl Builder for OnedriveBuilder {
122    type Config = OnedriveConfig;
123
124    fn build(self) -> Result<impl Service> {
125        let root = normalize_root(&self.config.root.unwrap_or_default());
126        debug!("backend use root {root}");
127
128        let info = ServiceInfo::new(ONEDRIVE_SCHEME, &root, "");
129        let capability = Capability {
130            read: true,
131            read_with_suffix: true,
132            read_with_if_none_match: true,
133
134            write: true,
135            write_with_if_match: true,
136            // disable because usize is too small on armhf and other arch to represent more than 4GB
137            #[cfg(target_pointer_width = "64")]
138            // Read more at https://support.microsoft.com/en-us/office/restrictions-and-limitations-in-onedrive-and-sharepoint-64883a5d-228e-48f5-b3d2-eb39e07630fa#individualfilesize
139            write_total_max_size: Some(250 * 1024 * 1024 * 1024), // 250GB
140            copy: true,
141            rename: true,
142
143            stat: true,
144            stat_with_if_none_match: true,
145            // Microsoft Graph doesn't preserve complete metadata for previous
146            // file versions, so OneDrive can't implement stat_with_version.
147            // See https://learn.microsoft.com/en-us/graph/api/driveitem-list-versions?view=graph-rest-1.0#remarks
148            delete: true,
149            create_dir: true,
150
151            list: true,
152            list_with_limit: true,
153            list_with_start_after: true,
154            list_with_versions: true,
155
156            shared: true,
157
158            ..Default::default()
159        };
160
161        let accessor_info = info;
162        let mut signer = OneDriveSigner::new();
163
164        // Requires OAuth 2.0 tokens:
165        // - `access_token` (the short-lived token)
166        // - `refresh_token` flow (the long term token)
167        // to be mutually exclusive for setting up for implementation simplicity
168        match (self.config.access_token, self.config.refresh_token) {
169            (Some(access_token), None) => {
170                signer.access_token = access_token;
171                signer.expires_in = Timestamp::MAX;
172            }
173            (None, Some(refresh_token)) => {
174                let client_id = self.config.client_id.ok_or_else(|| {
175                    Error::new(
176                        ErrorKind::ConfigInvalid,
177                        "client_id must be set when refresh_token is set",
178                    )
179                    .with_context("service", ONEDRIVE_SCHEME)
180                })?;
181
182                signer.refresh_token = refresh_token;
183                signer.client_id = client_id;
184                if let Some(client_secret) = self.config.client_secret {
185                    signer.client_secret = client_secret;
186                }
187            }
188            (Some(_), Some(_)) => {
189                return Err(Error::new(
190                    ErrorKind::ConfigInvalid,
191                    "access_token and refresh_token cannot be set at the same time",
192                )
193                .with_context("service", ONEDRIVE_SCHEME));
194            }
195            (None, None) => {
196                return Err(Error::new(
197                    ErrorKind::ConfigInvalid,
198                    "access_token or refresh_token must be set",
199                )
200                .with_context("service", ONEDRIVE_SCHEME));
201            }
202        };
203
204        let core = Arc::new(OneDriveCore {
205            info: accessor_info,
206            capability,
207            root,
208            signer: Arc::new(Mutex::new(signer)),
209        });
210
211        Ok(OnedriveBackend { core })
212    }
213}
214
215#[derive(Clone, Debug)]
216pub struct OnedriveBackend {
217    pub core: Arc<OneDriveCore>,
218}
219
220impl Service for OnedriveBackend {
221    type Reader = oio::StreamReader<OnedriveReader>;
222    type Writer = oio::OneShotWriter<OneDriveWriter>;
223    type Lister = oio::PageLister<OneDriveLister>;
224    type Deleter = oio::OneShotDeleter<OneDriveDeleter>;
225    type Copier = oio::OneShotCopier;
226    type Composer = ();
227
228    fn info(&self) -> ServiceInfo {
229        self.core.info.clone()
230    }
231
232    fn capability(&self) -> Capability {
233        self.core.capability
234    }
235
236    async fn create_dir(
237        &self,
238        ctx: &OperationContext,
239        path: &str,
240        _args: OpCreateDir,
241    ) -> Result<RpCreateDir> {
242        if path == "/" {
243            // skip, the root path exists in the personal OneDrive.
244            return Ok(RpCreateDir::default());
245        }
246
247        let response = self.core.onedrive_create_dir(ctx, path).await?;
248        match response.status() {
249            StatusCode::CREATED | StatusCode::OK => Ok(RpCreateDir::default()),
250            _ => Err(parse_error(
251                ErrorContext::new(ServiceOperation("CreateFolder")),
252                response,
253            )),
254        }
255    }
256
257    async fn stat(&self, ctx: &OperationContext, path: &str, args: OpStat) -> Result<RpStat> {
258        let meta = self.core.onedrive_stat(ctx, path, args).await?;
259
260        Ok(RpStat::new(meta))
261    }
262    fn read(&self, ctx: &OperationContext, path: &str, args: OpRead) -> Result<Self::Reader> {
263        let output: oio::StreamReader<OnedriveReader> = {
264            Ok(oio::StreamReader::new(OnedriveReader::new(
265                self.clone(),
266                ctx.clone(),
267                path,
268                args,
269            )))
270        }?;
271
272        Ok(output)
273    }
274
275    fn write(&self, ctx: &OperationContext, path: &str, args: OpWrite) -> Result<Self::Writer> {
276        let output: oio::OneShotWriter<OneDriveWriter> = {
277            Ok(oio::OneShotWriter::new(OneDriveWriter::new(
278                self.core.clone(),
279                ctx.clone(),
280                args,
281                path.to_string(),
282            )))
283        }?;
284
285        Ok(output)
286    }
287
288    fn delete(&self, ctx: &OperationContext) -> Result<Self::Deleter> {
289        let output: oio::OneShotDeleter<OneDriveDeleter> = {
290            Ok(oio::OneShotDeleter::new(OneDriveDeleter::new(
291                self.core.clone(),
292                ctx.clone(),
293            )))
294        }?;
295
296        Ok(output)
297    }
298
299    fn copy(
300        &self,
301        ctx: &OperationContext,
302        from: &str,
303        to: &str,
304        args: OpCopy,
305    ) -> Result<Self::Copier> {
306        let backend = self.clone();
307        let core = self.core.clone();
308        let ctx = ctx.clone();
309        let from = from.to_string();
310        let to = to.to_string();
311        let source_content_length_hint = args.source_content_length_hint();
312
313        Ok(oio::OneShotCopier::new(async move {
314            let source_size = match source_content_length_hint {
315                Some(size) => size,
316                None => backend
317                    .stat(&ctx, &from, OpStat::default())
318                    .await?
319                    .into_metadata()
320                    .content_length(),
321            };
322
323            let monitor_url = core.initialize_copy(&ctx, &from, &to).await?;
324            core.wait_until_complete(&ctx, monitor_url).await?;
325            Ok(MetadataBuilder::file(source_size).build())
326        }))
327    }
328
329    async fn rename(
330        &self,
331        ctx: &OperationContext,
332        from: &str,
333        to: &str,
334        _args: OpRename,
335    ) -> Result<RpRename> {
336        if from == to {
337            return Ok(RpRename::default());
338        }
339
340        self.core.onedrive_move(ctx, from, to).await?;
341
342        Ok(RpRename::default())
343    }
344
345    fn list(&self, ctx: &OperationContext, path: &str, args: OpList) -> Result<Self::Lister> {
346        let output: oio::PageLister<OneDriveLister> = {
347            let l = OneDriveLister::new(path.to_string(), self.core.clone(), ctx.clone(), &args);
348            Ok(oio::PageLister::new(l))
349        }?;
350
351        Ok(output)
352    }
353
354    async fn presign(
355        &self,
356        _ctx: &OperationContext,
357        _path: &str,
358        _args: OpPresign,
359    ) -> Result<RpPresign> {
360        Err(Error::new(
361            ErrorKind::Unsupported,
362            "operation is not supported",
363        ))
364    }
365}