mirror of
https://github.com/harness/drone.git
synced 2025-04-27 13:13:07 +00:00
69 lines
2.1 KiB
Go
69 lines
2.1 KiB
Go
// Copyright 2022 Harness Inc. All rights reserved.
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// Use of this source code is governed by the Polyform Free Trial License
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// that can be found in the LICENSE.md file for this repository.
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package repo
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import (
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"context"
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"fmt"
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"io"
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"github.com/harness/gitness/gitrpc"
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apiauth "github.com/harness/gitness/internal/api/auth"
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"github.com/harness/gitness/internal/api/usererror"
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"github.com/harness/gitness/internal/auth"
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"github.com/harness/gitness/types/enum"
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)
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/*
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* Raw finds the file of the repo at the given path and returns its raw content.
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* If no gitRef is provided, the content is retrieved from the default branch.
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*/
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func (c *Controller) Raw(ctx context.Context, session *auth.Session, repoRef string,
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gitRef string, repoPath string) (io.Reader, int64, error) {
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repo, err := c.repoStore.FindByRef(ctx, repoRef)
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if err != nil {
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return nil, 0, err
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}
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if err = apiauth.CheckRepo(ctx, c.authorizer, session, repo, enum.PermissionRepoView, true); err != nil {
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return nil, 0, err
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}
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// set gitRef to default branch in case an empty reference was provided
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if gitRef == "" {
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gitRef = repo.DefaultBranch
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}
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// create read params once
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readParams := CreateRPCReadParams(repo)
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treeNodeOutput, err := c.gitRPCClient.GetTreeNode(ctx, &gitrpc.GetTreeNodeParams{
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ReadParams: readParams,
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GitREF: gitRef,
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Path: repoPath,
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IncludeLatestCommit: false,
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})
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if err != nil {
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return nil, 0, err
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}
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// viewing Raw content is only supported for blob content
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if treeNodeOutput.Node.Type != gitrpc.TreeNodeTypeBlob {
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return nil, 0, usererror.BadRequestf(
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"Object in '%s' at '/%s' is of type '%s'. Only objects of type %s support raw viewing.",
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gitRef, repoPath, treeNodeOutput.Node.Type, gitrpc.TreeNodeTypeBlob)
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}
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blobReader, err := c.gitRPCClient.GetBlob(ctx, &gitrpc.GetBlobParams{
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ReadParams: readParams,
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SHA: treeNodeOutput.Node.SHA,
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SizeLimit: 0, // no size limit, we stream whatever data there is
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})
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if err != nil {
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return nil, 0, fmt.Errorf("failed to read blob from gitrpc: %w", err)
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}
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return blobReader.Content, blobReader.ContentSize, nil
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}
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