diff options
Diffstat (limited to 'vendor/github.com/hashicorp/go-getter/detect_s3.go')
-rw-r--r-- | vendor/github.com/hashicorp/go-getter/detect_s3.go | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-getter/detect_s3.go b/vendor/github.com/hashicorp/go-getter/detect_s3.go new file mode 100644 index 00000000..8e0f4a03 --- /dev/null +++ b/vendor/github.com/hashicorp/go-getter/detect_s3.go @@ -0,0 +1,61 @@ +package getter + +import ( + "fmt" + "net/url" + "strings" +) + +// S3Detector implements Detector to detect S3 URLs and turn +// them into URLs that the S3 getter can understand. +type S3Detector struct{} + +func (d *S3Detector) Detect(src, _ string) (string, bool, error) { + if len(src) == 0 { + return "", false, nil + } + + if strings.Contains(src, ".amazonaws.com/") { + return d.detectHTTP(src) + } + + return "", false, nil +} + +func (d *S3Detector) detectHTTP(src string) (string, bool, error) { + parts := strings.Split(src, "/") + if len(parts) < 2 { + return "", false, fmt.Errorf( + "URL is not a valid S3 URL") + } + + hostParts := strings.Split(parts[0], ".") + if len(hostParts) == 3 { + return d.detectPathStyle(hostParts[0], parts[1:]) + } else if len(hostParts) == 4 { + return d.detectVhostStyle(hostParts[1], hostParts[0], parts[1:]) + } else { + return "", false, fmt.Errorf( + "URL is not a valid S3 URL") + } +} + +func (d *S3Detector) detectPathStyle(region string, parts []string) (string, bool, error) { + urlStr := fmt.Sprintf("https://%s.amazonaws.com/%s", region, strings.Join(parts, "/")) + url, err := url.Parse(urlStr) + if err != nil { + return "", false, fmt.Errorf("error parsing S3 URL: %s", err) + } + + return "s3::" + url.String(), true, nil +} + +func (d *S3Detector) detectVhostStyle(region, bucket string, parts []string) (string, bool, error) { + urlStr := fmt.Sprintf("https://%s.amazonaws.com/%s/%s", region, bucket, strings.Join(parts, "/")) + url, err := url.Parse(urlStr) + if err != nil { + return "", false, fmt.Errorf("error parsing S3 URL: %s", err) + } + + return "s3::" + url.String(), true, nil +} |