216 lines
13 KiB
Go
216 lines
13 KiB
Go
package api
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import (
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"fmt"
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"strconv"
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"time"
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)
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// Error describes a B2 error response
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type Error struct {
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Status int `json:"status"` // The numeric HTTP status code. Always matches the status in the HTTP response.
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Code string `json:"code"` // A single-identifier code that identifies the error.
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Message string `json:"message"` // A human-readable message, in English, saying what went wrong.
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}
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// Error statisfies the error interface
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func (e *Error) Error() string {
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return fmt.Sprintf("%s (%d %s)", e.Message, e.Status, e.Code)
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}
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// Account describes a B2 account
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type Account struct {
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ID string `json:"accountId"` // The identifier for the account.
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}
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// Bucket describes a B2 bucket
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type Bucket struct {
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ID string `json:"bucketId"`
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AccountID string `json:"accountId"`
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Name string `json:"bucketName"`
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Type string `json:"bucketType"`
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}
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// Timestamp is a UTC time when this file was uploaded. It is a base
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// 10 number of milliseconds since midnight, January 1, 1970 UTC. This
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// fits in a 64 bit integer such as the type "long" in the programming
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// language Java. It is intended to be compatible with Java's time
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// long. For example, it can be passed directly into the java call
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// Date.setTime(long time).
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type Timestamp time.Time
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// MarshalJSON turns a Timestamp into JSON (in UTC)
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func (t *Timestamp) MarshalJSON() (out []byte, err error) {
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timestamp := (*time.Time)(t).UTC().UnixNano()
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return []byte(strconv.FormatInt(timestamp/1E6, 10)), nil
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}
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// UnmarshalJSON turns JSON into a Timestamp
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func (t *Timestamp) UnmarshalJSON(data []byte) error {
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timestamp, err := strconv.ParseInt(string(data), 10, 64)
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if err != nil {
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return err
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}
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*t = Timestamp(time.Unix(timestamp/1E3, (timestamp%1E3)*1E6))
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return nil
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}
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// File is info about a file
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type File struct {
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ID string `json:"fileId"` // The unique identifier for this version of this file. Used with b2_get_file_info, b2_download_file_by_id, and b2_delete_file_version.
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Name string `json:"fileName"` // The name of this file, which can be used with b2_download_file_by_name.
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Action string `json:"action"` // Either "upload" or "hide". "upload" means a file that was uploaded to B2 Cloud Storage. "hide" means a file version marking the file as hidden, so that it will not show up in b2_list_file_names. The result of b2_list_file_names will contain only "upload". The result of b2_list_file_versions may have both.
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Size int64 `json:"size"` // The number of bytes in the file.
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UploadTimestamp Timestamp `json:"uploadTimestamp"` // This is a UTC time when this file was uploaded.
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SHA1 string `json:"contentSha1"` // The SHA1 of the bytes stored in the file.
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ContentType string `json:"contentType"` // The MIME type of the file.
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Info map[string]string `json:"fileInfo"` // The custom information that was uploaded with the file. This is a JSON object, holding the name/value pairs that were uploaded with the file.
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}
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// AuthorizeAccountResponse is as returned from the b2_authorize_account call
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type AuthorizeAccountResponse struct {
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AccountID string `json:"accountId"` // The identifier for the account.
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AuthorizationToken string `json:"authorizationToken"` // An authorization token to use with all calls, other than b2_authorize_account, that need an Authorization header.
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APIURL string `json:"apiUrl"` // The base URL to use for all API calls except for uploading and downloading files.
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DownloadURL string `json:"downloadUrl"` // The base URL to use for downloading files.
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}
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// ListBucketsResponse is as returned from the b2_list_buckets call
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type ListBucketsResponse struct {
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Buckets []Bucket `json:"buckets"`
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}
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// ListFileNamesRequest is as passed to b2_list_file_names or b2_list_file_versions
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type ListFileNamesRequest struct {
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BucketID string `json:"bucketId"` // required - The bucket to look for file names in.
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StartFileName string `json:"startFileName,omitempty"` // optional - The first file name to return. If there is a file with this name, it will be returned in the list. If not, the first file name after this the first one after this name.
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MaxFileCount int `json:"maxFileCount,omitempty"` // optional - The maximum number of files to return from this call. The default value is 100, and the maximum allowed is 1000.
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StartFileID string `json:"startFileId,omitempty"` // optional - What to pass in to startFileId for the next search to continue where this one left off.
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}
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// ListFileNamesResponse is as received from b2_list_file_names or b2_list_file_versions
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type ListFileNamesResponse struct {
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Files []File `json:"files"` // An array of objects, each one describing one file.
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NextFileName *string `json:"nextFileName"` // What to pass in to startFileName for the next search to continue where this one left off, or null if there are no more files.
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NextFileID *string `json:"nextFileId"` // What to pass in to startFileId for the next search to continue where this one left off, or null if there are no more files.
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}
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// GetUploadURLRequest is passed to b2_get_upload_url
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type GetUploadURLRequest struct {
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BucketID string `json:"bucketId"` // The ID of the bucket that you want to upload to.
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}
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// GetUploadURLResponse is received from b2_get_upload_url
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type GetUploadURLResponse struct {
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BucketID string `json:"bucketId"` // The unique ID of the bucket.
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UploadURL string `json:"uploadUrl"` // The URL that can be used to upload files to this bucket, see b2_upload_file.
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AuthorizationToken string `json:"authorizationToken"` // The authorizationToken that must be used when uploading files to this bucket, see b2_upload_file.
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}
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// FileInfo is received from b2_upload_file, b2_get_file_info and b2_finish_large_file
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type FileInfo struct {
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ID string `json:"fileId"` // The unique identifier for this version of this file. Used with b2_get_file_info, b2_download_file_by_id, and b2_delete_file_version.
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Name string `json:"fileName"` // The name of this file, which can be used with b2_download_file_by_name.
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Action string `json:"action"` // Either "upload" or "hide". "upload" means a file that was uploaded to B2 Cloud Storage. "hide" means a file version marking the file as hidden, so that it will not show up in b2_list_file_names. The result of b2_list_file_names will contain only "upload". The result of b2_list_file_versions may have both.
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AccountID string `json:"accountId"` // Your account ID.
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BucketID string `json:"bucketId"` // The bucket that the file is in.
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Size int64 `json:"contentLength"` // The number of bytes stored in the file.
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UploadTimestamp Timestamp `json:"uploadTimestamp"` // This is a UTC time when this file was uploaded.
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SHA1 string `json:"contentSha1"` // The SHA1 of the bytes stored in the file.
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ContentType string `json:"contentType"` // The MIME type of the file.
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Info map[string]string `json:"fileInfo"` // The custom information that was uploaded with the file. This is a JSON object, holding the name/value pairs that were uploaded with the file.
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}
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// CreateBucketRequest is used to create a bucket
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type CreateBucketRequest struct {
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AccountID string `json:"accountId"`
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Name string `json:"bucketName"`
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Type string `json:"bucketType"`
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}
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// DeleteBucketRequest is used to create a bucket
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type DeleteBucketRequest struct {
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ID string `json:"bucketId"`
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AccountID string `json:"accountId"`
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}
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// DeleteFileRequest is used to delete a file version
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type DeleteFileRequest struct {
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ID string `json:"fileId"` // The ID of the file, as returned by b2_upload_file, b2_list_file_names, or b2_list_file_versions.
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Name string `json:"fileName"` // The name of this file.
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}
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// HideFileRequest is used to delete a file
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type HideFileRequest struct {
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BucketID string `json:"bucketId"` // The bucket containing the file to hide.
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Name string `json:"fileName"` // The name of the file to hide.
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}
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// GetFileInfoRequest is used to return a FileInfo struct with b2_get_file_info
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type GetFileInfoRequest struct {
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ID string `json:"fileId"` // The ID of the file, as returned by b2_upload_file, b2_list_file_names, or b2_list_file_versions.
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}
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// StartLargeFileRequest (b2_start_large_file) Prepares for uploading the parts of a large file.
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//
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// If the original source of the file being uploaded has a last
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// modified time concept, Backblaze recommends using
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// src_last_modified_millis as the name, and a string holding the base
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// 10 number number of milliseconds since midnight, January 1, 1970
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// UTC. This fits in a 64 bit integer such as the type "long" in the
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// programming language Java. It is intended to be compatible with
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// Java's time long. For example, it can be passed directly into the
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// Java call Date.setTime(long time).
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//
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// If the caller knows the SHA1 of the entire large file being
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// uploaded, Backblaze recommends using large_file_sha1 as the name,
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// and a 40 byte hex string representing the SHA1.
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//
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// Example: { "src_last_modified_millis" : "1452802803026", "large_file_sha1" : "a3195dc1e7b46a2ff5da4b3c179175b75671e80d", "color": "blue" }
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type StartLargeFileRequest struct {
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BucketID string `json:"bucketId"` //The ID of the bucket that the file will go in.
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Name string `json:"fileName"` // The name of the file. See Files for requirements on file names.
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ContentType string `json:"contentType"` // The MIME type of the content of the file, which will be returned in the Content-Type header when downloading the file. Use the Content-Type b2/x-auto to automatically set the stored Content-Type post upload. In the case where a file extension is absent or the lookup fails, the Content-Type is set to application/octet-stream.
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Info map[string]string `json:"fileInfo"` // A JSON object holding the name/value pairs for the custom file info.
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}
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// StartLargeFileResponse is the response to StartLargeFileRequest
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type StartLargeFileResponse struct {
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ID string `json:"fileId"` // The unique identifier for this version of this file. Used with b2_get_file_info, b2_download_file_by_id, and b2_delete_file_version.
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Name string `json:"fileName"` // The name of this file, which can be used with b2_download_file_by_name.
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AccountID string `json:"accountId"` // The identifier for the account.
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BucketID string `json:"bucketId"` // The unique ID of the bucket.
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ContentType string `json:"contentType"` // The MIME type of the file.
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Info map[string]string `json:"fileInfo"` // The custom information that was uploaded with the file. This is a JSON object, holding the name/value pairs that were uploaded with the file.
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UploadTimestamp Timestamp `json:"uploadTimestamp"` // This is a UTC time when this file was uploaded.
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}
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// GetUploadPartURLRequest is passed to b2_get_upload_part_url
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type GetUploadPartURLRequest struct {
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ID string `json:"fileId"` // The unique identifier of the file being uploaded.
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}
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// GetUploadPartURLResponse is received from b2_get_upload_url
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type GetUploadPartURLResponse struct {
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ID string `json:"fileId"` // The unique identifier of the file being uploaded.
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UploadURL string `json:"uploadUrl"` // The URL that can be used to upload files to this bucket, see b2_upload_part.
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AuthorizationToken string `json:"authorizationToken"` // The authorizationToken that must be used when uploading files to this bucket, see b2_upload_part.
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}
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// UploadPartResponse is the response to b2_upload_part
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type UploadPartResponse struct {
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ID string `json:"fileId"` // The unique identifier of the file being uploaded.
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PartNumber int64 `json:"partNumber"` // Which part this is (starting from 1)
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Size int64 `json:"contentLength"` // The number of bytes stored in the file.
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SHA1 string `json:"contentSha1"` // The SHA1 of the bytes stored in the file.
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}
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// FinishLargeFileRequest is passed to b2_finish_large_file
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//
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// The response is a FileInfo object (with extra AccountID and BucketID fields which we ignore).
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//
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// Large files do not have a SHA1 checksum. The value will always be "none".
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type FinishLargeFileRequest struct {
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ID string `json:"fileId"` // The unique identifier of the file being uploaded.
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SHA1s []string `json:"partSha1Array"` // A JSON array of hex SHA1 checksums of the parts of the large file. This is a double-check that the right parts were uploaded in the right order, and that none were missed. Note that the part numbers start at 1, and the SHA1 of the part 1 is the first string in the array, at index 0.
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}
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