Page last modified 23:31, 14 May 2008 by BrigetteK
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MindTouch Developer Center > MindTouch Deki > API Reference > HEAD:pages/{pageid}/files/{filename}
HEAD:pages/{pageid}/files/{filename}
Table of contents
- 1. Overview
- 1.1.1.1. Uri Parameters
- 1.1.1.2. Query Parameters
- 1.1.1.3. Return Codes
- 2. Message Format
- 3. Implementation Notes
- 4. Code Samples
Overview
public. Retrieve file attachment content (Note: image manipulation arguments are ignored for HEAD requests)
Uri Parameters
| Name | Type | Description |
| filename | string | "=" followed by a double uri-encoded file name |
| pageid | string | either an integer page ID, "home", or "=" followed by a double uri-encoded page title |
Query Parameters
| Name | Type | Description |
| format | {jpg, png, bmp, gif}? | Convert output to given type. Default is to use original type. |
| height | int? | Height of the image |
| ratio | {fixed, var}? | Fixed preserves aspect ratio by applying height and width as bounding maximums rather than absolute values. Variable will use the width and height given. Default: fixed |
| redirects | int? | If zero, do not follow page redirects (only applies when {pageid} is present). |
| revision | string? | File revision to retrieve. 'head' by default will retrieve latest revision. positive integer will retrieve specific revision |
| size | {original, thumb, webview, bestfit, custom}? | Return a resized image from one of the preset cached sizes. Use 'thumb' or 'webview' to return a smaller scaled image. Use 'bestfit' along with height/width to return one of the known sizes being at least the size given. Default: original |
| width | int? | Width of the image |
Implementation Notes
The Content-Length, and Content-Type headers provide information about the retrieved file.
Code Samples
The following code example retrieves the headers for the file called "myfile.jpg" on the home page:
Plug p = Plug.New("http://deki-hayes/@api/deki");
p.At("users", "authenticate").WithCredentials("admin", "password").Get();
DreamMessage msg = p.At("pages", "home", "files", "=myfile%252ejpg").Invoke("HEAD", DreamMessage.Ok());
Sample output:
Connection=close Content-Length=110326 Content-Type=image/jpeg Date=Wed, 14 May 2008 22:31:30 GMT Server=Dream-HTTPAPI/1.5.2.25231 Microsoft-HTTPAPI/1.0 Via=1.0 deki-hayes
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