making progress

internal/api/handlers/githttp.go

@@ -0,0 +1,195 @@
+package handlers
+
+import (
+	"bufio"
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"os/exec"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"github.com/go-chi/chi/v5"
+	"golang.org/x/crypto/bcrypt"
+	"xorm.io/xorm"
+
+	"github.com/forgeo/forgebucket/internal/config"
+	"github.com/forgeo/forgebucket/internal/models"
+)
+
+type GitHTTPHandler struct {
+	db  *xorm.Engine
+	cfg *config.Config
+}
+
+func NewGitHTTPHandler(db *xorm.Engine, cfg *config.Config) *GitHTTPHandler {
+	return &GitHTTPHandler{db: db, cfg: cfg}
+}
+
+// ServeGit is the entry point for all git smart-HTTP requests.
+// URL shape: /{owner}/{repo}.git/{service}
+func (h *GitHTTPHandler) ServeGit(w http.ResponseWriter, r *http.Request) {
+	owner := chi.URLParam(r, "owner")
+	repoGit := chi.URLParam(r, "repoGit") // e.g. "myrepo.git"
+	repoName := strings.TrimSuffix(repoGit, ".git")
+
+	// Resolve repo from DB
+	var ownerUser models.User
+	if found, _ := h.db.Where("username = ?", owner).Get(&ownerUser); !found {
+		http.NotFound(w, r)
+		return
+	}
+	var repo models.Repository
+	if found, _ := h.db.Where("owner_id = ? AND name = ?", ownerUser.ID, repoName).Get(&repo); !found {
+		http.NotFound(w, r)
+		return
+	}
+
+	// Determine service from URL / query string
+	service := r.URL.Query().Get("service")
+	if service == "" {
+		// POST bodies encode the service in the path
+		path := r.URL.Path
+		if strings.HasSuffix(path, "/git-upload-pack") {
+			service = "git-upload-pack"
+		} else if strings.HasSuffix(path, "/git-receive-pack") {
+			service = "git-receive-pack"
+		}
+	}
+
+	// Require authentication for push; allow anonymous read for public repos
+	var authedUser string
+	user, authed := h.basicAuth(r)
+	if authed {
+		authedUser = user
+	} else if service == "git-receive-pack" || repo.IsPrivate {
+		w.Header().Set("WWW-Authenticate", `Basic realm="ForgeBucket"`)
+		http.Error(w, "authentication required", http.StatusUnauthorized)
+		return
+	}
+
+	// Build PATH_INFO: /{reponame}.git/{suffix}
+	// chi wildcard gives us everything after /{owner}/{repoGit}
+	suffix := chi.URLParam(r, "*")
+	if suffix == "" {
+		suffix = "/"
+	} else if !strings.HasPrefix(suffix, "/") {
+		suffix = "/" + suffix
+	}
+	pathInfo := "/" + repoGit + suffix
+
+	projectRoot := filepath.Dir(repo.DiskPath)
+
+	env := []string{
+		"GIT_PROJECT_ROOT=" + projectRoot,
+		"GIT_HTTP_EXPORT_ALL=1",
+		"PATH_INFO=" + pathInfo,
+		"QUERY_STRING=" + r.URL.RawQuery,
+		"REQUEST_METHOD=" + r.Method,
+		"SERVER_PROTOCOL=HTTP/1.1",
+		"SERVER_SOFTWARE=ForgeBucket/1.0",
+		"REMOTE_ADDR=" + r.RemoteAddr,
+		"HOME=/tmp",
+		"GIT_TERMINAL_PROMPT=0",
+	}
+	if ct := r.Header.Get("Content-Type"); ct != "" {
+		env = append(env, "CONTENT_TYPE="+ct)
+	}
+	if cl := r.ContentLength; cl > 0 {
+		env = append(env, "CONTENT_LENGTH="+strconv.FormatInt(cl, 10))
+	}
+	if authedUser != "" {
+		env = append(env, "REMOTE_USER="+authedUser)
+	}
+
+	gitExec, err := exec.LookPath("git")
+	if err != nil {
+		http.Error(w, "git not found on server", http.StatusInternalServerError)
+		return
+	}
+
+	if err := runGitBackend(r.Context(), w, r.Body, gitExec, env); err != nil {
+		http.Error(w, fmt.Sprintf("git http-backend: %v", err), http.StatusInternalServerError)
+	}
+}
+
+// basicAuth validates HTTP Basic Auth credentials against the DB.
+func (h *GitHTTPHandler) basicAuth(r *http.Request) (username string, ok bool) {
+	u, p, hasAuth := r.BasicAuth()
+	if !hasAuth {
+		return "", false
+	}
+	var user models.User
+	found, _ := h.db.Where("username = ?", u).Get(&user)
+	if !found {
+		return "", false
+	}
+	if bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(p)) != nil {
+		return "", false
+	}
+	return u, true
+}
+
+// runGitBackend executes `git http-backend` as a CGI subprocess and forwards
+// its response (headers + body) to the HTTP response writer.
+func runGitBackend(ctx context.Context, w http.ResponseWriter, body io.Reader, gitExec string, env []string) error {
+	cmd := exec.CommandContext(ctx, gitExec, "http-backend")
+	cmd.Env = env
+
+	pr, pw := io.Pipe()
+	cmd.Stdout = pw
+	cmd.Stdin = body
+
+	var stderrBuf strings.Builder
+	cmd.Stderr = &stderrBuf
+
+	if err := cmd.Start(); err != nil {
+		return fmt.Errorf("start: %w", err)
+	}
+
+	// Close write-end of pipe once git finishes
+	done := make(chan error, 1)
+	go func() {
+		err := cmd.Wait()
+		pw.Close()
+		done <- err
+	}()
+
+	// Parse CGI response: headers then body
+	br := bufio.NewReader(pr)
+	statusCode := http.StatusOK
+
+	for {
+		line, err := br.ReadString('\n')
+		line = strings.TrimRight(line, "\r\n")
+		if line == "" {
+			break
+		}
+		if strings.HasPrefix(line, "Status:") {
+			rest := strings.TrimSpace(strings.TrimPrefix(line, "Status:"))
+			if parts := strings.SplitN(rest, " ", 2); len(parts) >= 1 {
+				if code, e := strconv.Atoi(parts[0]); e == nil {
+					statusCode = code
+				}
+			}
+		} else if idx := strings.Index(line, ":"); idx > 0 {
+			key := strings.TrimSpace(line[:idx])
+			val := strings.TrimSpace(line[idx+1:])
+			w.Header().Set(key, val)
+		}
+		if err != nil {
+			break
+		}
+	}
+
+	w.WriteHeader(statusCode)
+	io.Copy(w, br) //nolint:errcheck
+
+	waitErr := <-done
+	if waitErr != nil && stderrBuf.Len() > 0 {
+		return fmt.Errorf("%w: %s", waitErr, stderrBuf.String())
+	}
+	return waitErr
+}

internal/api/handlers/issues.go

@@ -0,0 +1,167 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"github.com/go-chi/chi/v5"
+	"xorm.io/xorm"
+
+	"github.com/forgeo/forgebucket/internal/api/middleware"
+	"github.com/forgeo/forgebucket/internal/models"
+)
+
+type IssueHandler struct {
+	db *xorm.Engine
+}
+
+func NewIssueHandler(db *xorm.Engine) *IssueHandler {
+	return &IssueHandler{db: db}
+}
+
+type issueResponse struct {
+	models.Issue
+	AuthorName string `json:"authorName"`
+}
+
+func (h *IssueHandler) enrichIssue(issue *models.Issue) issueResponse {
+	var author models.User
+	h.db.ID(issue.AuthorID).Get(&author)
+	return issueResponse{Issue: *issue, AuthorName: author.Username}
+}
+
+func (h *IssueHandler) List(w http.ResponseWriter, r *http.Request) {
+	repoID, ok := h.repoID(w, r)
+	if !ok {
+		return
+	}
+
+	state := r.URL.Query().Get("state")
+	if state == "" {
+		state = "open"
+	}
+
+	var issues []models.Issue
+	if err := h.db.Where("repo_id = ? AND state = ?", repoID, state).
+		OrderBy("id DESC").Find(&issues); err != nil {
+		jsonError(w, "could not list issues", http.StatusInternalServerError)
+		return
+	}
+
+	result := make([]issueResponse, len(issues))
+	for i := range issues {
+		result[i] = h.enrichIssue(&issues[i])
+	}
+	if result == nil {
+		result = []issueResponse{}
+	}
+	jsonOK(w, result)
+}
+
+func (h *IssueHandler) Create(w http.ResponseWriter, r *http.Request) {
+	repoID, ok := h.repoID(w, r)
+	if !ok {
+		return
+	}
+	authorID, _ := middleware.UserIDFromContext(r.Context())
+
+	var body struct {
+		Title string `json:"title"`
+		Body  string `json:"body"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.Title == "" {
+		jsonError(w, "title is required", http.StatusBadRequest)
+		return
+	}
+
+	// Auto-increment issue number per repo
+	count, _ := h.db.Where("repo_id = ?", repoID).Count(&models.Issue{})
+	number := int(count) + 1
+
+	issue := &models.Issue{
+		RepoID:   repoID,
+		AuthorID: authorID,
+		Number:   number,
+		Title:    body.Title,
+		Body:     body.Body,
+		State:    models.IssueStateOpen,
+	}
+	if _, err := h.db.Insert(issue); err != nil {
+		jsonError(w, "could not create issue", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(h.enrichIssue(issue))
+}
+
+func (h *IssueHandler) Get(w http.ResponseWriter, r *http.Request) {
+	issue, ok := h.lookupIssue(w, r)
+	if !ok {
+		return
+	}
+	jsonOK(w, h.enrichIssue(issue))
+}
+
+func (h *IssueHandler) Close(w http.ResponseWriter, r *http.Request) {
+	issue, ok := h.lookupIssue(w, r)
+	if !ok {
+		return
+	}
+	issue.State = models.IssueStateClosed
+	if _, err := h.db.ID(issue.ID).Cols("state").Update(issue); err != nil {
+		jsonError(w, "could not close issue", http.StatusInternalServerError)
+		return
+	}
+	jsonOK(w, h.enrichIssue(issue))
+}
+
+func (h *IssueHandler) Reopen(w http.ResponseWriter, r *http.Request) {
+	issue, ok := h.lookupIssue(w, r)
+	if !ok {
+		return
+	}
+	issue.State = models.IssueStateOpen
+	if _, err := h.db.ID(issue.ID).Cols("state").Update(issue); err != nil {
+		jsonError(w, "could not reopen issue", http.StatusInternalServerError)
+		return
+	}
+	jsonOK(w, h.enrichIssue(issue))
+}
+
+func (h *IssueHandler) repoID(w http.ResponseWriter, r *http.Request) (int64, bool) {
+	ownerName := chi.URLParam(r, "owner")
+	repoName := chi.URLParam(r, "repo")
+
+	var owner models.User
+	if found, _ := h.db.Where("username = ?", ownerName).Get(&owner); !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return 0, false
+	}
+	var repo models.Repository
+	if found, _ := h.db.Where("owner_id = ? AND name = ?", owner.ID, repoName).Get(&repo); !found {
+		jsonError(w, "repository not found", http.StatusNotFound)
+		return 0, false
+	}
+	return repo.ID, true
+}
+
+func (h *IssueHandler) lookupIssue(w http.ResponseWriter, r *http.Request) (*models.Issue, bool) {
+	repoID, ok := h.repoID(w, r)
+	if !ok {
+		return nil, false
+	}
+	issueNum, err := strconv.Atoi(chi.URLParam(r, "issueNum"))
+	if err != nil {
+		jsonError(w, "invalid issue number", http.StatusBadRequest)
+		return nil, false
+	}
+	var issue models.Issue
+	if found, _ := h.db.Where("repo_id = ? AND number = ?", repoID, issueNum).Get(&issue); !found {
+		jsonError(w, "issue not found", http.StatusNotFound)
+		return nil, false
+	}
+	return &issue, true
+}

internal/api/handlers/repos.go

@@ -51,13 +51,9 @@ func (h *RepoHandler) List(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// Fetch owner username once (all repos belong to the same user in this query)
-	var owner models.User
-	h.db.ID(userID).Get(&owner)
-
 	result := make([]repoResponse, len(repos))
-	for i, repo := range repos {
-		result[i] = repoResponse{Repository: repo, OwnerName: owner.Username}
+	for i := range repos {
+		result[i] = h.withOwnerName(&repos[i])
 	}
 	jsonOK(w, result)
 }
@@ -193,6 +189,64 @@ func (h *RepoHandler) Commits(w http.ResponseWriter, r *http.Request) {
 	jsonOK(w, commits)
 }
 
+func (h *RepoHandler) Update(w http.ResponseWriter, r *http.Request) {
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+
+	var body struct {
+		Description *string `json:"description"`
+		IsPrivate   *bool   `json:"isPrivate"`
+		DefaultBranch *string `json:"defaultBranch"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		jsonError(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+
+	cols := []string{}
+	if body.Description != nil {
+		repo.Description = *body.Description
+		cols = append(cols, "description")
+	}
+	if body.IsPrivate != nil {
+		repo.IsPrivate = *body.IsPrivate
+		cols = append(cols, "is_private")
+	}
+	if body.DefaultBranch != nil {
+		repo.DefaultBranch = *body.DefaultBranch
+		cols = append(cols, "default_branch")
+	}
+
+	if len(cols) > 0 {
+		if _, err := h.db.ID(repo.ID).Cols(cols...).Update(repo); err != nil {
+			jsonError(w, "could not update repository", http.StatusInternalServerError)
+			return
+		}
+	}
+	jsonOK(w, h.withOwnerName(repo))
+}
+
+func (h *RepoHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+
+	callerID, _ := middleware.UserIDFromContext(r.Context())
+	if callerID != repo.OwnerID {
+		jsonError(w, "only the owner can delete a repository", http.StatusForbidden)
+		return
+	}
+
+	if _, err := h.db.ID(repo.ID).Delete(&models.Repository{}); err != nil {
+		jsonError(w, "could not delete repository", http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}
+
 func (h *RepoHandler) Diff(w http.ResponseWriter, r *http.Request) {
 	repo, ok := h.lookupRepo(w, r)
 	if !ok {

internal/api/handlers/sshkeys.go

@@ -0,0 +1,106 @@
+package handlers
+
+import (
+	"crypto/md5"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/go-chi/chi/v5"
+	"golang.org/x/crypto/ssh"
+	"xorm.io/xorm"
+
+	"github.com/forgeo/forgebucket/internal/api/middleware"
+	"github.com/forgeo/forgebucket/internal/models"
+)
+
+type SSHKeyHandler struct {
+	db *xorm.Engine
+}
+
+func NewSSHKeyHandler(db *xorm.Engine) *SSHKeyHandler {
+	return &SSHKeyHandler{db: db}
+}
+
+func (h *SSHKeyHandler) List(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.UserIDFromContext(r.Context())
+	var keys []models.SSHKey
+	if err := h.db.Where("user_id = ?", userID).Find(&keys); err != nil {
+		jsonError(w, "could not list SSH keys", http.StatusInternalServerError)
+		return
+	}
+	if keys == nil {
+		keys = []models.SSHKey{}
+	}
+	jsonOK(w, keys)
+}
+
+func (h *SSHKeyHandler) Add(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.UserIDFromContext(r.Context())
+
+	var body struct {
+		Title     string `json:"title"`
+		PublicKey string `json:"publicKey"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		jsonError(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+	if body.Title == "" || body.PublicKey == "" {
+		jsonError(w, "title and publicKey are required", http.StatusBadRequest)
+		return
+	}
+
+	// Parse and validate the public key
+	pubKeyBytes := []byte(strings.TrimSpace(body.PublicKey))
+	pub, _, _, _, err := ssh.ParseAuthorizedKey(pubKeyBytes)
+	if err != nil {
+		jsonError(w, "invalid SSH public key format", http.StatusBadRequest)
+		return
+	}
+
+	// Compute MD5 fingerprint (standard display format)
+	fingerprint := fingerprintMD5(pub)
+
+	key := &models.SSHKey{
+		UserID:      userID,
+		Title:       body.Title,
+		Fingerprint: fingerprint,
+		PublicKey:   strings.TrimSpace(body.PublicKey),
+	}
+	if _, err := h.db.Insert(key); err != nil {
+		jsonError(w, "key already exists or could not be saved", http.StatusConflict)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(key)
+}
+
+func (h *SSHKeyHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	userID, _ := middleware.UserIDFromContext(r.Context())
+	keyID, err := strconv.ParseInt(chi.URLParam(r, "keyID"), 10, 64)
+	if err != nil {
+		jsonError(w, "invalid key ID", http.StatusBadRequest)
+		return
+	}
+
+	n, err := h.db.Where("id = ? AND user_id = ?", keyID, userID).Delete(&models.SSHKey{})
+	if err != nil || n == 0 {
+		jsonError(w, "key not found", http.StatusNotFound)
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func fingerprintMD5(pub ssh.PublicKey) string {
+	hash := md5.Sum(pub.Marshal())
+	parts := make([]string, len(hash))
+	for i, b := range hash {
+		parts[i] = fmt.Sprintf("%02x", b)
+	}
+	return strings.Join(parts, ":")
+}