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124 lines
2.9 KiB
Go
124 lines
2.9 KiB
Go
package taskfile
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"path/filepath"
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"strings"
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"github.com/go-task/task/v3/errors"
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"github.com/go-task/task/v3/internal/execext"
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"github.com/go-task/task/v3/internal/filepathext"
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)
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// An HTTPNode is a node that reads a Taskfile from a remote location via HTTP.
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type HTTPNode struct {
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*baseNode
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URL *url.URL // stores url pointing actual remote file. (e.g. with Taskfile.yml)
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}
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func NewHTTPNode(
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entrypoint string,
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dir string,
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insecure bool,
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opts ...NodeOption,
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) (*HTTPNode, error) {
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base := NewBaseNode(dir, opts...)
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url, err := url.Parse(entrypoint)
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if err != nil {
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return nil, err
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}
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if url.Scheme == "http" && !insecure {
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return nil, &errors.TaskfileNotSecureError{URI: url.Redacted()}
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}
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return &HTTPNode{
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baseNode: base,
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URL: url,
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}, nil
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}
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func (node *HTTPNode) Location() string {
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return node.URL.Redacted()
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}
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func (node *HTTPNode) Read() ([]byte, error) {
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return node.ReadContext(context.Background())
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}
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func (node *HTTPNode) ReadContext(ctx context.Context) ([]byte, error) {
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url, err := RemoteExists(ctx, *node.URL)
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if err != nil {
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return nil, err
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}
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req, err := http.NewRequest("GET", url.String(), nil)
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if err != nil {
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return nil, errors.TaskfileFetchFailedError{URI: node.Location()}
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}
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resp, err := http.DefaultClient.Do(req.WithContext(ctx))
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if err != nil {
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if ctx.Err() != nil {
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return nil, err
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}
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return nil, errors.TaskfileFetchFailedError{URI: node.Location()}
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, errors.TaskfileFetchFailedError{
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URI: node.Location(),
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HTTPStatusCode: resp.StatusCode,
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}
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}
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// Read the entire response body
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b, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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return b, nil
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}
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func (node *HTTPNode) ResolveEntrypoint(entrypoint string) (string, error) {
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ref, err := url.Parse(entrypoint)
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if err != nil {
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return "", err
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}
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return node.URL.ResolveReference(ref).String(), nil
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}
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func (node *HTTPNode) ResolveDir(dir string) (string, error) {
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path, err := execext.ExpandLiteral(dir)
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if err != nil {
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return "", err
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}
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if filepathext.IsAbs(path) {
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return path, nil
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}
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// NOTE: Uses the directory of the entrypoint (Taskfile), not the current working directory
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// This means that files are included relative to one another
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parent := node.Dir()
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if node.Parent() != nil {
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parent = node.Parent().Dir()
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}
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return filepathext.SmartJoin(parent, path), nil
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}
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func (node *HTTPNode) CacheKey() string {
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checksum := strings.TrimRight(checksum([]byte(node.Location())), "=")
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dir, filename := filepath.Split(node.URL.Path)
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lastDir := filepath.Base(dir)
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prefix := filename
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// Means it's not "", nor "." nor "/", so it's a valid directory
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if len(lastDir) > 1 {
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prefix = fmt.Sprintf("%s.%s", lastDir, filename)
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}
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return fmt.Sprintf("http.%s.%s.%s", node.URL.Host, prefix, checksum)
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}
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