From 404aeae4545d2426c089a5f8d5e82dae56f5212b Mon Sep 17 00:00:00 2001 From: Rutger Broekhoff Date: Fri, 29 Dec 2023 21:31:53 +0100 Subject: Make Nix builds work --- .../minio/minio-go/v7/api-bucket-notification.go | 261 +++++++++++++++++++++ 1 file changed, 261 insertions(+) create mode 100644 vendor/github.com/minio/minio-go/v7/api-bucket-notification.go (limited to 'vendor/github.com/minio/minio-go/v7/api-bucket-notification.go') diff --git a/vendor/github.com/minio/minio-go/v7/api-bucket-notification.go b/vendor/github.com/minio/minio-go/v7/api-bucket-notification.go new file mode 100644 index 0000000..8de5c01 --- /dev/null +++ b/vendor/github.com/minio/minio-go/v7/api-bucket-notification.go @@ -0,0 +1,261 @@ +/* + * MinIO Go Library for Amazon S3 Compatible Cloud Storage + * Copyright 2017-2020 MinIO, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package minio + +import ( + "bufio" + "bytes" + "context" + "encoding/xml" + "net/http" + "net/url" + "time" + + jsoniter "github.com/json-iterator/go" + "github.com/minio/minio-go/v7/pkg/notification" + "github.com/minio/minio-go/v7/pkg/s3utils" +) + +// SetBucketNotification saves a new bucket notification with a context to control cancellations and timeouts. +func (c *Client) SetBucketNotification(ctx context.Context, bucketName string, config notification.Configuration) error { + // Input validation. + if err := s3utils.CheckValidBucketName(bucketName); err != nil { + return err + } + + // Get resources properly escaped and lined up before + // using them in http request. + urlValues := make(url.Values) + urlValues.Set("notification", "") + + notifBytes, err := xml.Marshal(&config) + if err != nil { + return err + } + + notifBuffer := bytes.NewReader(notifBytes) + reqMetadata := requestMetadata{ + bucketName: bucketName, + queryValues: urlValues, + contentBody: notifBuffer, + contentLength: int64(len(notifBytes)), + contentMD5Base64: sumMD5Base64(notifBytes), + contentSHA256Hex: sum256Hex(notifBytes), + } + + // Execute PUT to upload a new bucket notification. + resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata) + defer closeResponse(resp) + if err != nil { + return err + } + if resp != nil { + if resp.StatusCode != http.StatusOK { + return httpRespToErrorResponse(resp, bucketName, "") + } + } + return nil +} + +// RemoveAllBucketNotification - Remove bucket notification clears all previously specified config +func (c *Client) RemoveAllBucketNotification(ctx context.Context, bucketName string) error { + return c.SetBucketNotification(ctx, bucketName, notification.Configuration{}) +} + +// GetBucketNotification returns current bucket notification configuration +func (c *Client) GetBucketNotification(ctx context.Context, bucketName string) (bucketNotification notification.Configuration, err error) { + // Input validation. + if err := s3utils.CheckValidBucketName(bucketName); err != nil { + return notification.Configuration{}, err + } + return c.getBucketNotification(ctx, bucketName) +} + +// Request server for notification rules. +func (c *Client) getBucketNotification(ctx context.Context, bucketName string) (notification.Configuration, error) { + urlValues := make(url.Values) + urlValues.Set("notification", "") + + // Execute GET on bucket to list objects. + resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{ + bucketName: bucketName, + queryValues: urlValues, + contentSHA256Hex: emptySHA256Hex, + }) + + defer closeResponse(resp) + if err != nil { + return notification.Configuration{}, err + } + return processBucketNotificationResponse(bucketName, resp) +} + +// processes the GetNotification http response from the server. +func processBucketNotificationResponse(bucketName string, resp *http.Response) (notification.Configuration, error) { + if resp.StatusCode != http.StatusOK { + errResponse := httpRespToErrorResponse(resp, bucketName, "") + return notification.Configuration{}, errResponse + } + var bucketNotification notification.Configuration + err := xmlDecoder(resp.Body, &bucketNotification) + if err != nil { + return notification.Configuration{}, err + } + return bucketNotification, nil +} + +// ListenNotification listen for all events, this is a MinIO specific API +func (c *Client) ListenNotification(ctx context.Context, prefix, suffix string, events []string) <-chan notification.Info { + return c.ListenBucketNotification(ctx, "", prefix, suffix, events) +} + +// ListenBucketNotification listen for bucket events, this is a MinIO specific API +func (c *Client) ListenBucketNotification(ctx context.Context, bucketName, prefix, suffix string, events []string) <-chan notification.Info { + notificationInfoCh := make(chan notification.Info, 1) + const notificationCapacity = 4 * 1024 * 1024 + notificationEventBuffer := make([]byte, notificationCapacity) + // Only success, start a routine to start reading line by line. + go func(notificationInfoCh chan<- notification.Info) { + defer close(notificationInfoCh) + + // Validate the bucket name. + if bucketName != "" { + if err := s3utils.CheckValidBucketName(bucketName); err != nil { + select { + case notificationInfoCh <- notification.Info{ + Err: err, + }: + case <-ctx.Done(): + } + return + } + } + + // Check ARN partition to verify if listening bucket is supported + if s3utils.IsAmazonEndpoint(*c.endpointURL) || s3utils.IsGoogleEndpoint(*c.endpointURL) { + select { + case notificationInfoCh <- notification.Info{ + Err: errAPINotSupported("Listening for bucket notification is specific only to `minio` server endpoints"), + }: + case <-ctx.Done(): + } + return + } + + // Continuously run and listen on bucket notification. + // Create a done channel to control 'ListObjects' go routine. + retryDoneCh := make(chan struct{}, 1) + + // Indicate to our routine to exit cleanly upon return. + defer close(retryDoneCh) + + // Prepare urlValues to pass into the request on every loop + urlValues := make(url.Values) + urlValues.Set("ping", "10") + urlValues.Set("prefix", prefix) + urlValues.Set("suffix", suffix) + urlValues["events"] = events + + // Wait on the jitter retry loop. + for range c.newRetryTimerContinous(time.Second, time.Second*30, MaxJitter, retryDoneCh) { + // Execute GET on bucket to list objects. + resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{ + bucketName: bucketName, + queryValues: urlValues, + contentSHA256Hex: emptySHA256Hex, + }) + if err != nil { + select { + case notificationInfoCh <- notification.Info{ + Err: err, + }: + case <-ctx.Done(): + } + return + } + + // Validate http response, upon error return quickly. + if resp.StatusCode != http.StatusOK { + errResponse := httpRespToErrorResponse(resp, bucketName, "") + select { + case notificationInfoCh <- notification.Info{ + Err: errResponse, + }: + case <-ctx.Done(): + } + return + } + + // Initialize a new bufio scanner, to read line by line. + bio := bufio.NewScanner(resp.Body) + + // Use a higher buffer to support unexpected + // caching done by proxies + bio.Buffer(notificationEventBuffer, notificationCapacity) + json := jsoniter.ConfigCompatibleWithStandardLibrary + + // Unmarshal each line, returns marshaled values. + for bio.Scan() { + var notificationInfo notification.Info + if err = json.Unmarshal(bio.Bytes(), ¬ificationInfo); err != nil { + // Unexpected error during json unmarshal, send + // the error to caller for actionable as needed. + select { + case notificationInfoCh <- notification.Info{ + Err: err, + }: + case <-ctx.Done(): + return + } + closeResponse(resp) + continue + } + + // Empty events pinged from the server + if len(notificationInfo.Records) == 0 && notificationInfo.Err == nil { + continue + } + + // Send notificationInfo + select { + case notificationInfoCh <- notificationInfo: + case <-ctx.Done(): + closeResponse(resp) + return + } + } + + if err = bio.Err(); err != nil { + select { + case notificationInfoCh <- notification.Info{ + Err: err, + }: + case <-ctx.Done(): + return + } + } + + // Close current connection before looping further. + closeResponse(resp) + + } + }(notificationInfoCh) + + // Returns the notification info channel, for caller to start reading from. + return notificationInfoCh +} -- cgit v1.2.3