OCram85
97206d45f8
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#### 📖 Summary <!-- Provide a summary of your changes. Describe the why and not how. --> #### 📑 Test Plan > 💡 Select your test plan for the code changes. - [x] CI pipeline tests - [ ] Custom test - [ ] No test plan ##### Details / Justification <!-- Add your test details or justification for missing tests here. --> #### 📚 Additional Notes <!-- A place for additional detail notes. --> Reviewed-on: #6
117 lines
3.0 KiB
Go
117 lines
3.0 KiB
Go
package gitea
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import (
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"io"
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"net/http"
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"strings"
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"gitea.orcram85.com/OCram85/caddy-gitea/pkg/gitea"
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
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"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp"
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)
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func init() {
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caddy.RegisterModule(Middleware{})
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httpcaddyfile.RegisterHandlerDirective("gitea", parseCaddyfile)
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}
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func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) {
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var m Middleware
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err := m.UnmarshalCaddyfile(h.Dispenser)
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return m, err
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}
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// Middleware implements gitea plugin.
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type Middleware struct {
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Client *gitea.Client `json:"-"`
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Server string `json:"server,omitempty"`
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Token string `json:"token,omitempty"`
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GiteaPages string `json:"gitea_pages,omitempty"`
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GiteaPagesAllowAll string `json:"gitea_pages_allowall,omitempty"`
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Domain string `json:"domain,omitempty"`
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}
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// CaddyModule returns the Caddy module information.
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func (Middleware) CaddyModule() caddy.ModuleInfo {
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return caddy.ModuleInfo{
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ID: "http.handlers.gitea",
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New: func() caddy.Module { return new(Middleware) },
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}
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}
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// Provision provisions gitea client.
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func (m *Middleware) Provision(ctx caddy.Context) error {
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var err error
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m.Client, err = gitea.NewClient(m.Server, m.Token, m.GiteaPages, m.GiteaPagesAllowAll)
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return err
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}
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// Validate implements caddy.Validator.
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func (m *Middleware) Validate() error {
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return nil
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}
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// UnmarshalCaddyfile unmarshals a Caddyfile.
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func (m *Middleware) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
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for d.Next() {
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for n := d.Nesting(); d.NextBlock(n); {
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switch d.Val() {
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case "server":
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d.Args(&m.Server)
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case "token":
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d.Args(&m.Token)
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case "gitea_pages":
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d.Args(&m.GiteaPages)
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case "gitea_pages_allowall":
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d.Args(&m.GiteaPagesAllowAll)
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case "domain":
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d.Args(&m.Domain)
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}
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}
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}
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return nil
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}
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// ServeHTTP performs gitea content fetcher.
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func (m Middleware) ServeHTTP(w http.ResponseWriter, r *http.Request, _ caddyhttp.Handler) error {
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// remove the domain if it's set (works fine if it's empty)
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host := strings.TrimRight(strings.TrimSuffix(r.Host, m.Domain), ".")
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h := strings.Split(host, ".")
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fp := h[0] + r.URL.Path
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ref := r.URL.Query().Get("ref")
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// if we haven't specified a domain, do not support repo.username and branch.repo.username
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if m.Domain != "" {
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switch {
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case len(h) == 2:
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fp = h[1] + "/" + h[0] + r.URL.Path
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case len(h) == 3:
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fp = h[2] + "/" + h[1] + r.URL.Path
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ref = h[0]
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}
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}
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f, err := m.Client.Open(fp, ref)
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if err != nil {
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return caddyhttp.Error(http.StatusNotFound, err)
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}
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_, err = io.Copy(w, f)
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return err
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}
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// Interface guards
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var (
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_ caddy.Provisioner = (*Middleware)(nil)
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_ caddy.Validator = (*Middleware)(nil)
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_ caddyhttp.MiddlewareHandler = (*Middleware)(nil)
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_ caddyfile.Unmarshaler = (*Middleware)(nil)
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)
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