110 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
| package actions
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| 
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| import (
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| 	"fmt"
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| 	"net/url"
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| 	"os"
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| 	"strings"
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| )
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| 
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| var ErrInvalidGitHubConfigURL = fmt.Errorf("invalid config URL, should point to an enterprise, org, or repository")
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| 
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| type GitHubScope int
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| 
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| const (
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| 	GitHubScopeUnknown GitHubScope = iota
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| 	GitHubScopeEnterprise
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| 	GitHubScopeOrganization
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| 	GitHubScopeRepository
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| )
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| 
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| type GitHubConfig struct {
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| 	ConfigURL *url.URL
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| 	Scope     GitHubScope
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| 
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| 	Enterprise   string
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| 	Organization string
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| 	Repository   string
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| 
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| 	IsHosted bool
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| }
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| 
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| func ParseGitHubConfigFromURL(in string) (*GitHubConfig, error) {
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| 	u, err := url.Parse(strings.Trim(in, "/"))
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| 	if err != nil {
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| 		return nil, err
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| 	}
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| 
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| 	isHosted := isHostedGitHubURL(u)
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| 
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| 	configURL := &GitHubConfig{
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| 		ConfigURL: u,
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| 		IsHosted:  isHosted,
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| 	}
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| 
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| 	invalidURLError := fmt.Errorf("%q: %w", u.String(), ErrInvalidGitHubConfigURL)
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| 
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| 	pathParts := strings.Split(strings.Trim(u.Path, "/"), "/")
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| 
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| 	switch len(pathParts) {
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| 	case 1: // Organization
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| 		if pathParts[0] == "" {
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| 			return nil, invalidURLError
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| 		}
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| 
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| 		configURL.Scope = GitHubScopeOrganization
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| 		configURL.Organization = pathParts[0]
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| 
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| 	case 2: // Repository or enterprise
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| 		if strings.ToLower(pathParts[0]) == "enterprises" {
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| 			configURL.Scope = GitHubScopeEnterprise
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| 			configURL.Enterprise = pathParts[1]
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| 			break
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| 		}
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| 
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| 		configURL.Scope = GitHubScopeRepository
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| 		configURL.Organization = pathParts[0]
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| 		configURL.Repository = pathParts[1]
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| 	default:
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| 		return nil, invalidURLError
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| 	}
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| 
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| 	return configURL, nil
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| }
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| 
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| func (c *GitHubConfig) GitHubAPIURL(path string) *url.URL {
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| 	result := &url.URL{
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| 		Scheme: c.ConfigURL.Scheme,
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| 		Host:   c.ConfigURL.Host, // default for Enterprise mode
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| 		Path:   "/api/v3",        // default for Enterprise mode
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| 	}
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| 
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| 	isHosted := isHostedGitHubURL(c.ConfigURL)
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| 
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| 	if isHosted {
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| 		result.Host = fmt.Sprintf("api.%s", c.ConfigURL.Host)
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| 		result.Path = ""
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| 
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| 		if strings.EqualFold("www.github.com", c.ConfigURL.Host) {
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| 			// re-routing www.github.com to api.github.com
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| 			result.Host = "api.github.com"
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| 		}
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| 	}
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| 
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| 	result.Path += path
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| 
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| 	return result
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| }
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| 
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| func isHostedGitHubURL(u *url.URL) bool {
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| 	_, forceGhes := os.LookupEnv("GITHUB_ACTIONS_FORCE_GHES")
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| 	if forceGhes {
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| 		return false
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| 	}
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| 
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| 	return strings.EqualFold(u.Host, "github.com") ||
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| 		strings.EqualFold(u.Host, "www.github.com") ||
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| 		strings.EqualFold(u.Host, "github.localhost") ||
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| 		strings.HasSuffix(u.Host, ".ghe.com")
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| }
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