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119 lines
4.4 KiB
Markdown
119 lines
4.4 KiB
Markdown
# EGroupware REST API for Links and attachments
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* linking application entries to other application entries
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* attaching files to application entries
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* listing, creating and deleting links and attachments
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Authentication is via Basic Auth with username and a password, or a token valid for:
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- either just the given user or all users
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- CalDAV/CardDAV Sync (REST API)
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- application the link or attachment is created for
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### Following schema is used for JSON encoding of links and attachments
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* `@type`: `Link`
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* `href`: string URI to linked entry or attachments
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* `title`: string title of link
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* `contentType`: string `application/json` for links, content-type of attachments
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* `size`: size of attachments
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* `egroupware.org-remark`: string
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* `egroupware.org-app`: string application name of the linked entry
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* `egroupware.org-id`: string application ID of the linked entry
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* `rel`: string `egroupware.org-primary` to mark a primary link for InfoLog entries
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### Supported request methods and examples
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#### **GET** to application entry collections to return all links and attachments
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<details>
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<summary>Example: Getting all links and attachments of a given application entry</summary>
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```
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curl https://example.org/egroupware/groupdav.php/<username>/<app>/<id>/links/ -H "Accept: application/pretty+json" --user <username>
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HTTP/1.1 200 Ok
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Content-Type: application/json
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{
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"responses": {
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"/<username>/<app>/<id>/links/<link-id>": {
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"@type": "Link",
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"href": "https://example.org/egroupware/groupdav.php/ralf/addressbook/46",
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"contentType": "application/json",
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"title": "EGroupware GmbH: Becker, Ralf",
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"egroupware.org-app": "addressbook",
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"egroupware.org-id": "46",
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"egroupware.org-remark": "Testing ;)"
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},
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"/<username>/<app>/<id>/links/<link-id>": {
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"@type": "Link",
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"href": "https://example.org/egroupware/groupdav.php/ralf/infolog/1161",
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"contentType": "application/json",
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"title": "Test mit primärem Link (#1161)",
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"egroupware.org-app": "infolog",
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"egroupware.org-id": "1161"
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},
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"/<username>/<app>/<id>/links/<attachment-id>": {
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"@type": "Link",
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"href": "https://example.org/egroupware/webdav.php/apps/timesheet/199/image.svg",
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"contentType": "image/svg+xml",
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"size": 17167,
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"title": "image.svg"
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}
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}
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}
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```
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</details>
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#### **POST** request to upload an attachment or link with another application entry
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<details>
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<summary>Example: Adding a PDF as attachment to an application entry</summary>
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```
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curl -i 'https://example.org/egroupware/groupdav.php/<username>/<app>/<id>/links/<filename>' -H "Content-Type: application/pdf" --data-binary @<path-to-pdf> --user <username>
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HTTP/1.1 204 Created
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Location: https://example.org/egroupware/groupdav.php/<username>/<app>/<id>/links/<attachment-id>
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```
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</details>
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<details>
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<summary>Example: Creating a link from one application entry to another</summary>
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```
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curl -i 'https://example.org/egroupware/groupdav.php/<username>/<app>/<id>/links/' -H "Content-Type: application/json" --data-binary @- --user <username> <<<EOF
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{"app":"<2nd-app>","id":<2nd-app-id>,"remark":"This is a test ;)"}
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EOF
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HTTP/1.1 204 Created
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Location: https://example.org/egroupware/groupdav.php/<username>/<app>/<id>/links/<link-id>
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```
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</details>
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<details>
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<summary>Example: Creating the primary link for an InfoLog entry</summary>
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```
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curl -i 'https://example.org/egroupware/groupdav.php/<username>/infolog/<id>/links/' -H "Content-Type: application/json" --data-binary @- --user <username> <<<EOF
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{"app":"<2nd-app>","id":<2nd-app-id>,"rel":"egroupware.org-primary"}
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EOF
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HTTP/1.1 204 Created
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Location: https://example.org/egroupware/groupdav.php/<username>/infolog/<id>/links/<link-id>
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```
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</details>
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> `<id>` is the numerical ID of the entry of application `<app>`, NOT the UUID some applications have!
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> `<2nd-app-id>` is also the numerical ID of `<2nd-app>`, not the UUID
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#### **DELETE** request to remove a link or attachment
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<details>
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<summary>Example: deleting an attachment or link</summary>
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```
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curl -X DELETE 'https://example.org/egroupware/groupdav.php/<app>/<id>/links/<link-or-attachment-id>' --user <username>
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HTTP/1.1 201 No Content
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```
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</details>
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> one can use `Accept: application/pretty+json` to receive pretty-printed JSON eg. for debugging and exploring the API |