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(Lianja) Google Cloud Storage List Bucket ObjectsSee more Google Cloud Storage ExamplesList the objects in a Google Cloud Storage bucket. For more information, see https://cloud.google.com/storage/docs/json_api/v1/objects/list
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example uses a previously obtained access token having permission for the // scope "https://www.googleapis.com/auth/cloud-platform" // In this example, Get Google Cloud Storage OAuth2 Access Token, // the service account access token was saved to a text file. This example fetches the access token from the file.. loSbToken = createobject("CkStringBuilder") loSbToken.LoadFile("qa_data/tokens/googleCloudStorageAccessToken.txt","utf-8") loHttp = createobject("CkHttp") loHttp.AuthToken = loSbToken.GetAsString() // For more info see Cloud Storage Documentation - Objects: list // llSuccess = loHttp.SetUrlVar("bucket","chilkat-ocean") llSuccess = loHttp.SetUrlVar("PROJECT_NAME","ChilkatCloud") loResp = loHttp.QuickGetObj("https://www.googleapis.com/storage/v1/b/{$bucket}/o?project={$ChilkatCloud}") if (loHttp.LastMethodSuccess = .F.) then ? loHttp.LastErrorText release loSbToken release loHttp return endif lnResponseCode = loResp.StatusCode if (lnResponseCode = 401) then ? loResp.BodyStr ? "If invalid credentials, then it is likely the access token expired." ? "Your app should automatically fetch a new access token and re-try." release loResp release loSbToken release loHttp return endif ? "Response code: " + str(lnResponseCode) ? "Response body" loJson = createobject("CkJsonObject") llSuccess = loJson.Load(loResp.BodyStr) release loResp loJson.EmitCompact = .F. ? loJson.Emit() // A response code = 200 indicates success, and the response body contains JSON such as this: // { // "kind": "storage#objects", // "items": [ // { // "kind": "storage#object", // "id": "chilkat-ocean/file with space char.jpg/1555776690752366", // "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg", // "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/file%20with%20space%20char.jpg?generation=1555776690752366&alt=media", // "name": "file with space char.jpg", // "bucket": "chilkat-ocean", // "generation": "1555776690752366", // "metageneration": "1", // "contentType": "image/jpeg", // "storageClass": "MULTI_REGIONAL", // "size": "6229", // "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==", // "crc32c": "9RjgwQ==", // "etag": "CO6WguiH3+ECEAE=", // "timeCreated": "2019-04-20T16:11:30.752Z", // "updated": "2019-04-20T16:11:30.752Z", // "timeStorageClassUpdated": "2019-04-20T16:11:30.752Z" // }, // { // "kind": "storage#object", // // "id": "chilkat-ocean/penguins.jpg/1555775749593296", // "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/penguins.jpg", // "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/penguins.jpg?generation=1555775749593296&alt=media", // "name": "penguins.jpg", // "bucket": "chilkat-ocean", // "generation": "1555775749593296", // "metageneration": "1", // "contentType": "image/jpeg", // "storageClass": "MULTI_REGIONAL", // "size": "777835", // "md5Hash": "nTd7EM53jEk4s8fixjoimg==", // "crc32c": "ixxYVw==", // "etag": "CNCxnqeE3+ECEAE=", // "timeCreated": "2019-04-20T15:55:49.593Z", // "updated": "2019-04-20T15:55:49.593Z", // "timeStorageClassUpdated": "2019-04-20T15:55:49.593Z" // }, // { // "kind": "storage#object", // "id": "chilkat-ocean/starfish.jpg/1628958192639968", // "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/starfish.jpg", // "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/starfish.jpg?generation=1628958192639968&alt=media", // "name": "starfish.jpg", // "bucket": "chilkat-ocean", // "generation": "1628958192639968", // "metageneration": "1", // "contentType": "image/jpeg", // "storageClass": "MULTI_REGIONAL", // "size": "6229", // "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==", // "crc32c": "9RjgwQ==", // "etag": "COC/tJP2sPICEAE=", // "timeCreated": "2021-08-14T16:23:12.660Z", // "updated": "2021-08-14T16:23:12.660Z", // "timeStorageClassUpdated": "2021-08-14T16:23:12.660Z" // } // ] // } // Use this online tool to generate parsing code from sample JSON: // Generate Parsing Code from JSON lcKind = loJson.StringOf("kind") i = 0 lnCount_i = loJson.SizeOfArray("items") do while i < lnCount_i loJson.I = i lcKind = loJson.StringOf("items[i].kind") lcId = loJson.StringOf("items[i].id") lcSelfLink = loJson.StringOf("items[i].selfLink") lcMediaLink = loJson.StringOf("items[i].mediaLink") lcName = loJson.StringOf("items[i].name") lcBucket = loJson.StringOf("items[i].bucket") lcGeneration = loJson.StringOf("items[i].generation") lcMetageneration = loJson.StringOf("items[i].metageneration") lcContentType = loJson.StringOf("items[i].contentType") lcStorageClass = loJson.StringOf("items[i].storageClass") lcSize = loJson.StringOf("items[i].size") lcMd5Hash = loJson.StringOf("items[i].md5Hash") lcCrc32c = loJson.StringOf("items[i].crc32c") lcEtag = loJson.StringOf("items[i].etag") lcTimeCreated = loJson.StringOf("items[i].timeCreated") lcUpdated = loJson.StringOf("items[i].updated") lcTimeStorageClassUpdated = loJson.StringOf("items[i].timeStorageClassUpdated") i = i + 1 enddo release loSbToken release loHttp release loJson |
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