|
| 1 | +package github |
| 2 | + |
| 3 | +import ( |
| 4 | +"context" |
| 5 | +"encoding/base64" |
| 6 | +"mime" |
| 7 | +"path/filepath" |
| 8 | +"strings" |
| 9 | + |
| 10 | +"github.com/google/go-github/v69/github" |
| 11 | +"github.com/mark3labs/mcp-go/mcp" |
| 12 | +"github.com/mark3labs/mcp-go/server" |
| 13 | +) |
| 14 | + |
| 15 | +// getRepositoryContent defines the resource template and handler for the Repository Content API. |
| 16 | +funcgetRepositoryContent(client*github.Client) (mainTemplate mcp.ResourceTemplate,reftemplate mcp.ResourceTemplate,shaTemplate mcp.ResourceTemplate,tagTemplate mcp.ResourceTemplate,prTemplate mcp.ResourceTemplate,handler server.ResourceTemplateHandlerFunc) { |
| 17 | + |
| 18 | +returnmcp.NewResourceTemplate( |
| 19 | +"repo://{owner}/{repo}/contents{/path*}",// Resource template |
| 20 | +"Repository Content",// Description |
| 21 | +),mcp.NewResourceTemplate( |
| 22 | +"repo://{owner}/{repo}/refs/heads/{branch}/contents{/path*}",// Resource template |
| 23 | +"Repository Content for specific branch",// Description |
| 24 | +),mcp.NewResourceTemplate( |
| 25 | +"repo://{owner}/{repo}/sha/{sha}/contents{/path*}",// Resource template |
| 26 | +"Repository Content for specific commit",// Description |
| 27 | +),mcp.NewResourceTemplate( |
| 28 | +"repo://{owner}/{repo}/refs/tags/{tag}/contents{/path*}",// Resource template |
| 29 | +"Repository Content for specific tag",// Description |
| 30 | +),mcp.NewResourceTemplate( |
| 31 | +"repo://{owner}/{repo}/refs/pull/{pr_number}/head/contents{/path*}",// Resource template |
| 32 | +"Repository Content for specific pull request",// Description |
| 33 | +),func(ctx context.Context,request mcp.ReadResourceRequest) ([]mcp.ResourceContents,error) { |
| 34 | +// Extract parameters from request.Params.URI |
| 35 | + |
| 36 | +owner:=request.Params.Arguments["owner"].([]string)[0] |
| 37 | +repo:=request.Params.Arguments["repo"].([]string)[0] |
| 38 | +// path should be a joined list of the path parts |
| 39 | +path:=strings.Join(request.Params.Arguments["path"].([]string),"/") |
| 40 | + |
| 41 | +opts:=&github.RepositoryContentGetOptions{} |
| 42 | + |
| 43 | +sha,ok:=request.Params.Arguments["sha"].([]string) |
| 44 | +ifok { |
| 45 | +opts.Ref=sha[0] |
| 46 | +} |
| 47 | + |
| 48 | +branch,ok:=request.Params.Arguments["branch"].([]string) |
| 49 | +ifok { |
| 50 | +opts.Ref="refs/heads/"+branch[0] |
| 51 | +} |
| 52 | + |
| 53 | +tag,ok:=request.Params.Arguments["tag"].([]string) |
| 54 | +ifok { |
| 55 | +opts.Ref="refs/tags/"+tag[0] |
| 56 | +} |
| 57 | +prNumber,ok:=request.Params.Arguments["pr_number"].([]string) |
| 58 | +ifok { |
| 59 | +opts.Ref="refs/pull/"+prNumber[0]+"/head" |
| 60 | +} |
| 61 | + |
| 62 | +// Use the GitHub client to fetch repository content |
| 63 | +fileContent,directoryContent,_,err:=client.Repositories.GetContents(ctx,owner,repo,path,opts) |
| 64 | +iferr!=nil { |
| 65 | +returnnil,err |
| 66 | +} |
| 67 | + |
| 68 | +ifdirectoryContent!=nil { |
| 69 | +// Process the directory content and return it as resource contents |
| 70 | +varresources []mcp.ResourceContents |
| 71 | +for_,entry:=rangedirectoryContent { |
| 72 | +mimeType:="text/directory" |
| 73 | +ifentry.GetType()=="file" { |
| 74 | +mimeType=mime.TypeByExtension(filepath.Ext(entry.GetName())) |
| 75 | +} |
| 76 | +resources=append(resources, mcp.TextResourceContents{ |
| 77 | +URI:entry.GetHTMLURL(), |
| 78 | +MIMEType:mimeType, |
| 79 | +Text:entry.GetName(), |
| 80 | +}) |
| 81 | + |
| 82 | +} |
| 83 | +returnresources,nil |
| 84 | + |
| 85 | +}elseiffileContent!=nil { |
| 86 | +// Process the file content and return it as a binary resource |
| 87 | + |
| 88 | +iffileContent.Content!=nil { |
| 89 | +decodedContent,err:=fileContent.GetContent() |
| 90 | +iferr!=nil { |
| 91 | +returnnil,err |
| 92 | +} |
| 93 | + |
| 94 | +mimeType:=mime.TypeByExtension(filepath.Ext(fileContent.GetName())) |
| 95 | + |
| 96 | +// Check if the file is text-based |
| 97 | +ifstrings.HasPrefix(mimeType,"text") { |
| 98 | +// Return as TextResourceContents |
| 99 | +return []mcp.ResourceContents{ |
| 100 | +mcp.TextResourceContents{ |
| 101 | +URI:request.Params.URI, |
| 102 | +MIMEType:mimeType, |
| 103 | +Text:decodedContent, |
| 104 | +}, |
| 105 | +},nil |
| 106 | +} |
| 107 | + |
| 108 | +// Otherwise, return as BlobResourceContents |
| 109 | +return []mcp.ResourceContents{ |
| 110 | +mcp.BlobResourceContents{ |
| 111 | +URI:request.Params.URI, |
| 112 | +MIMEType:mimeType, |
| 113 | +Blob:base64.StdEncoding.EncodeToString([]byte(decodedContent)),// Encode content as Base64 |
| 114 | +}, |
| 115 | +},nil |
| 116 | +} |
| 117 | +} |
| 118 | + |
| 119 | +returnnil,nil |
| 120 | +} |
| 121 | +} |