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Upload Part

Terakhir diperbarui:2024-06-12 15:10:38

    Overview

    This API is used to upload an object to COS in multiple parts. You can upload up to 10,000 parts. The size of each part should be 1 MB to 5 GB, and the last part can be smaller than 1 MB.
    Note:
    Multipart upload steps:
    1.1 To call this API, you need to first call the Initiate Multipart Upload API to obtain the UploadId, which identifies the current upload operation.
    1.2 Every time you call the Upload Part API, you need to include the partNumber and uploadId parameters. You can upload multiple parts out of order.
    1.3 When the uploadId and partNumber of a new part are the same as those of a previously uploaded part, the old part will be overwritten. If the uploadId does not exist, "404 NoSuchUpload" will be returned.
    Only the root account or sub-accounts granted the permission of the Upload Part API can call this API.
    

    Request

    Sample request

    PUT /<ObjectKey>?partNumber=PartNumber&uploadId=UploadId HTTP/1.1
    Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
    Date: GMT Date
    Content-Type: Content Type
    Content-Length: Content Length
    Content-MD5: MD5
    Authorization: Auth String
    
    [Object Part]
    Note:
    Host:<BucketName-APPID>.cos.<Region>.myqcloud.com, where <BucketName-APPID> is the is the bucket name followed by the APPID, such as examplebucket-1250000000 (see Bucket Overview > Basic Information and Bucket Overview > Bucket Naming Conventions), and <Region> is a COS region (see Regions and Access Endpoints).
    Authorization: Auth String (See Request Signature for details.)

    Request parameters

    Parameter
    Description
    Type
    Required
    partNumber
    Part number. Value range: 1−10000
    integer
    Yes
    uploadId
    Multipart upload ID obtained from the Initiate Multipart Upload API
    string
    Yes

    Request headers

    In addition to common request headers, this API also supports the following request headers. For more information about common request headers, please see Common Request Headers.
    SSE-related headers
    If SSE-C is used during the initialization of the current multipart upload, you need to specify the encryption algorithm and key that were specified during the initialization. Otherwise, you cannot specify the following headers.
    Field
    Description
    Type
    Required
    x-cos-server-side-encryption-customer-algorithm
    Server-side encryption algorithm. Currently, only AES256 is supported.
    string
    Yes
    x-cos-server-side-encryption-customer-key
    Base64-encoded server-side encryption key.
    Example: MDEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkNERUY=
    string
    Yes
    x-cos-server-side-encryption-customer-key-MD5
    Base64-encoded MD5 checksum of the server-side encryption key.
    Example: U5L61r7jcwdNvT7frmUG8g==
    string
    Yes
    x-cos-traffic-limit
    Limits the speed (in bit/s) for the current multipart upload for traffic control. Value range: 819200-838860800 (i.e., 100 KB/s-100 MB/s). If the speed exceeds the limit, a 400 error will be returned.
    integer
    No

    Request body

    The request body of this API is the part content of the object (file).

    Response

    Response headers

    In addition to common response headers, this API also returns the following response headers. For more information about common response headers, please see Common Response Headers.
    SSE-related headers
    If server-side encryption is used during the initialization of the current multipart upload, this API will return headers used specifically for server-side encryption. For more information, please see Server-Side Encryption Headers.

    Response body

    The response body of this API is empty.

    Error codes

    This API returns common error responses and error codes. For more information, see Error Codes.

    Examples

    Example 1: simple use case

    Request

    PUT /exampleobject?partNumber=1&uploadId=1585130821cbb7df1d11846c073ad648e8f33b087cec2381df437acdc833cf654b9ecc6361 HTTP/1.1
    Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
    Date: Wed, 25 Mar 2020 10:07:14 GMT
    Content-Type: application/octet-stream
    Content-Length: 1048576
    Content-MD5: OScKloo1fSQgfpkRFiUH6w==
    Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1585130834;1585138034&q-key-time=1585130834;1585138034&q-header-list=content-length;content-md5;content-type;date;host&q-url-param-list=partnumber;uploadid&q-signature=a815da18232cfec87e8218f32f31b1e2c5eb****
    Connection: close
    
    [Object Part]

    Response

    HTTP/1.1 200 OK
    Content-Length: 0
    Connection: close
    Date: Wed, 25 Mar 2020 10:07:14 GMT
    ETag: "39270a968a357d24207e9911162507eb"
    Server: tencent-cos
    x-cos-hash-crc64ecma: 9973912126177188060
    x-cos-request-id: NWU3YjJkNTJfZDBjODJhMDlfMjU4NTZfMjc5MzBh****

    Sample 2: using server-side encryption SSE-COS

    Request

    PUT /exampleobject?partNumber=1&uploadId=1590862540251355295a5c736513d70d42b92bbde4f0fafb5e0ecb314b55aa0018cc9fa76f HTTP/1.1
    Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
    Date: Sat, 30 May 2020 18:15:50 GMT
    Content-Type: application/octet-stream
    Content-Length: 13
    Content-MD5: EI9SjrY7Zec08nrjMfX/qg==
    Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1590862550;1590869750&q-key-time=1590862550;1590869750&q-header-list=content-length;content-md5;content-type;date;host&q-url-param-list=partnumber;uploadid&q-signature=2a0085596de5861410bcc43f3d107dc9dda5****
    Connection: close
    
    [Object Part]

    Response

    HTTP/1.1 200 OK
    Content-Length: 0
    Connection: close
    Date: Sat, 30 May 2020 18:15:51 GMT
    ETag: "108f528eb63b65e734f27ae331f5ffaa"
    Server: tencent-cos
    x-cos-hash-crc64ecma: 4510578591875220731
    x-cos-request-id: NWVkMmEyZDZfYjNjMjJhMDlfMmJlM18zOWI2****
    x-cos-server-side-encryption: AES256

    Sample 3: using server-side encryption SSE-KMS

    Request

    PUT /exampleobject?partNumber=1&uploadId=15908625793957d71176fa878282d266a95b79dc2aec159b4a73d1d79c80d4f931cda6ad65 HTTP/1.1
    Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
    Date: Sat, 30 May 2020 18:16:29 GMT
    Content-Type: application/octet-stream
    Content-Length: 13
    Content-MD5: EI9SjrY7Zec08nrjMfX/qg==
    Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1590862589;1590869789&q-key-time=1590862589;1590869789&q-header-list=content-length;content-md5;content-type;date;host&q-url-param-list=partnumber;uploadid&q-signature=2d1231c77c72727bd1c2454726813e095a7e****
    Connection: close
    
    [Object Part]

    Response

    HTTP/1.1 200 OK
    Content-Length: 0
    Connection: close
    Date: Sat, 30 May 2020 18:16:30 GMT
    ETag: "1d3e8ae9da423b440341b09f1616f074"
    Server: tencent-cos
    x-cos-hash-crc64ecma: 4510578591875220731
    x-cos-request-id: NWVkMmEyZmRfYTRiOTJhMDlfMTE0ZGRfMmE3OTk4****
    x-cos-server-side-encryption: cos/kms
    x-cos-server-side-encryption-cos-kms-key-id: 48ba38aa-26c5-11ea-855c-52540085****

    Example 4: using server-side encryption SSE-C

    Request

    PUT /exampleobject?partNumber=1&uploadId=1590862610acd643927bad05cd3947bf98b56b04b0b0b2a45a49969f87cc95b7fd5fcc065a HTTP/1.1
    Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
    Date: Sat, 30 May 2020 18:17:01 GMT
    x-cos-server-side-encryption-customer-algorithm: AES256
    x-cos-server-side-encryption-customer-key: MDEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkNERUY=
    x-cos-server-side-encryption-customer-key-MD5: U5L61r7jcwdNvT7frmUG8g==
    Content-Type: application/octet-stream
    Content-Length: 13
    Content-MD5: EI9SjrY7Zec08nrjMfX/qg==
    Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1590862621;1590869821&q-key-time=1590862621;1590869821&q-header-list=content-length;content-md5;content-type;date;host;x-cos-server-side-encryption-customer-algorithm;x-cos-server-side-encryption-customer-key;x-cos-server-side-encryption-customer-key-md5&q-url-param-list=partnumber;uploadid&q-signature=6d0914f1db0e03569b6b5d340dc8d71616bf****
    Connection: close
    
    [Object Part]

    Response

    HTTP/1.1 200 OK
    Content-Length: 0
    Connection: close
    Date: Sat, 30 May 2020 18:17:01 GMT
    ETag: "ff14981a35a58eb97bca838b055c573b"
    Server: tencent-cos
    x-cos-hash-crc64ecma: 4510578591875220731
    x-cos-request-id: NWVkMmEzMWRfYjRjOTJhMDlfYWRhXzFhZmYw****
    x-cos-server-side-encryption-customer-algorithm: AES256
    x-cos-server-side-encryption-customer-key-MD5: U5L61r7jcwdNvT7frmUG8g==
    
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