exif

Operation

exif

Description

You can call this operation to query the exchangeable image file (Exif) information of an image. Exif specifies the format of images used by digital cameras and records the attribute information and shooting data of digital images. The Exif information includes various shooting conditions such as the aperture, shutter, white balance, ISO, focal length, and the shooting date and time. It also includes the brand name and model of the camera, color code, sound recorded during shooting, GPS data, and thumbnails.

Permission

To call this operation, you must have the GetObject permission. If the object does not exist, the following errors may be returned:

• If you have the ListBucket permission on the bucket where the object resides, KS3 returns a 404 error.
• If you do not have the ListBucket permission on the bucket, KS3 returns a 403 error.

Request

Syntax

https://BucketName.${Endpoint of the bucket}/object@base@tag=exif   HTTP/1.1
Host: BucketName.${Endpoint of the bucket}

Request parameters

You do not need to set parameters for this request.

Request header

The request does not require a special header.

Response

Response header

Header	Required	Description
Content-Type	Yes	The MIME type, which is fixed to application/json.

Response body

The response is provided in a JSON string.

Field	Description
Make	The camera manufacturer.
Model	The camera model.
Orientation	The image orientation, which is normal (upper-left).
XResolution	The x-axis image resolution, which is 72.
YResolution	The y-axis image resolution, which is 72.
ResolutionUnit	The resolution unit, which is Dots Per Inch (DPI).
Software	The image view software, which is Microsoft Windows Photo Viewer 6.1.7600.16385.
YCbCrPositioning	The YCbCr positioning. The value is 2.
ExposureTime	The exposure duration, which is 0.00800 (1/125) second.

Operation-specific errors

HTTP status code	Description
400	The request format is incorrect.
404	The specified resource does not exist.
403	The access is denied.
500	An internal server error occurred.

Examples

1. Enter the following request in the address bar of your web browser:
https://ks3.ks3-cn-beijing.ksyuncs.com/image_deal/kssyun.png@base@tag=exif

---

2. Sample response   
{
	Make: "Apple",
	Model: "iPhone 4S",
	Orientation: "1",
	XResolution: "72/1",
	YCbCrPositioning: "1",
	YResolution: "72/1",
	ResolutionUnit: "2",
	ExposureTime: "1/449",
	...
}