commit 01cee5e83f8c90b8b7fe50e0dce99197e1919647 · kot.pink/core

knotserver/db/init.go

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       			id integer primary key autoincrement,

     

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       			last_time_us integer not null

     

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       		);

     

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       +
       

     

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       		create table if not exists oplog (

     

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       			tid     text primary key,

     

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       			did     text not null,

     

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       			repo    text not null,

     

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       			old_sha text not null,

     

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       			new_sha text not null,

     

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       			ref     text not null

     

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       		);

     

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       	`)

     

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       	if err != nil {

     

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       		return nil, err

+63

knotserver/db/oplog.go

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       package db

     

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       import (

     

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       	"fmt"

     

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       )

     

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       type Op struct {

     

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       	Tid    string // time based ID, easy to enumerate & monotonic

     

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       	Did    string // did of pusher

     

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       	Repo   string // <did/repo> fully qualified repo

     

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       	OldSha string // old sha of reference being updated

     

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       	NewSha string // new sha of reference being updated

     

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       	Ref    string // the reference being updated

     

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       }

     

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       +
       

     

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       func (d *DB) InsertOp(op Op) error {

     

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       	_, err := d.db.Exec(

     

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       		`insert into oplog (tid, did, repo, old_sha, new_sha, ref) values (?, ?, ?, ?, ?, ?)`,

     

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       		op.Tid,

     

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       		op.Did,

     

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       		op.Repo,

     

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       		op.OldSha,

     

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       		op.NewSha,

     

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       		op.Ref,

     

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       	)

     

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       	return err

     

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       }

     

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       +
       

     

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       func (d *DB) GetOps(cursor string) ([]Op, error) {

     

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       	whereClause := ""

     

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       	args := []any{}

     

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       	if cursor != "" {

     

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       		whereClause = "where tid > ?"

     

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       		args = append(args, cursor)

     

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       	}

     

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       +
       

     

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       	query := fmt.Sprintf(`

     

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       		select tid, did, repo, old_sha, new_sha, ref

     

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       		from oplog

     

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       		%s

     

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       		order by tid asc

     

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       		limit 100

     

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       	`, whereClause)

     

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       +
       

     

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       	rows, err := d.db.Query(query, args...)

     

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       	if err != nil {

     

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       		return nil, err

     

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       	}

     

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       	defer rows.Close()

     

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       +
       

     

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       	var ops []Op

     

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       	for rows.Next() {

     

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       		var op Op

     

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       		rows.Scan(&op.Tid, &op.Did, &op.Repo, &op.OldSha, &op.NewSha, &op.Ref)

     

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       		ops = append(ops, op)

     

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       +
       	}

     

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       +
       

     

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       	if err := rows.Err(); err != nil {

     

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       		return nil, err

     

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       	}

     

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       +
       

     

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       	return ops, nil

     

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       +
       }

+56

knotserver/internal.go

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       package knotserver

     

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       import (

     

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       	"bufio"

     

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       	"context"

     

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       	"log/slog"

     

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       	"net/http"

     

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       	"path/filepath"

     

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       	"strings"

     

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       	"github.com/go-chi/chi/v5"

     

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       	"github.com/go-chi/chi/v5/middleware"

     
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       	return

     

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       }

     

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       func (h *InternalHandle) PostReceiveHook(w http.ResponseWriter, r *http.Request) {

     

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       	l := h.l.With("handler", "PostReceiveHook")

     

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       	gitAbsoluteDir := r.Header.Get("X-Git-Dir")

     

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       	gitRelativeDir, err := filepath.Rel(h.c.Repo.ScanPath, gitAbsoluteDir)

     

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       	if err != nil {

     

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       		l.Error("failed to calculate relative git dir", "scanPath", h.c.Repo.ScanPath, "gitAbsoluteDir", gitAbsoluteDir)

     

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       		return

     

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       	}

     

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       	gitUserDid := r.Header.Get("X-Git-User-Did")

     

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       	var ops []db.Op

     

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       	scanner := bufio.NewScanner(r.Body)

     

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       	for scanner.Scan() {

     

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       		line := scanner.Text()

     

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       		parts := strings.SplitN(line, " ", 3)

     

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       		if len(parts) != 3 {

     

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       			l.Error("invalid payload", "parts", parts)

     

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       			continue

     

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       		}

     

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       +
       

     

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       		tid := TID()

     

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       		oldSha := parts[0]

     

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       		newSha := parts[1]

     

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       		ref := parts[2]

     

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       		op := db.Op{

     

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       			Tid:    tid,

     

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       			Did:    gitUserDid,

     

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       			Repo:   gitRelativeDir,

     

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       			OldSha: oldSha,

     

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       			NewSha: newSha,

     

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       			Ref:    ref,

     

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       		}

     

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       		ops = append(ops, op)

     

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       	}

     

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       +
       

     

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       	if err := scanner.Err(); err != nil {

     

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       		l.Error("failed to read payload", "err", err)

     

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       		return

     

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       	}

     

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       	for _, op := range ops {

     

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       		err := h.db.InsertOp(op)

     

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       		if err != nil {

     

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       			l.Error("failed to insert op", "err", err, "op", op)

     

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       			continue

     

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       		}

     

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       	}

     

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       	return

     

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       }

     

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       func Internal(ctx context.Context, c *config.Config, db *db.DB, e *rbac.Enforcer, l *slog.Logger) http.Handler {

     

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       	r := chi.NewRouter()

     

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···

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       	r.Get("/push-allowed", h.PushAllowed)

     

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       	r.Get("/keys", h.InternalKeys)

     

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       	r.Post("/hooks/post-receive", h.PostReceiveHook)

     

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       	r.Mount("/debug", middleware.Profiler())

     

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       	return r

knotserver/util.go

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       	"os"

     

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       	"path/filepath"

     

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       	"github.com/bluesky-social/indigo/atproto/syntax"

     

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       	securejoin "github.com/cyphar/filepath-securejoin"

     

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       	"github.com/go-chi/chi/v5"

     

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       	"github.com/microcosm-cc/bluemonday"

     
···

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       func setMIME(w http.ResponseWriter, mime string) {

     

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       	w.Header().Add("Content-Type", mime)

     

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       }

     

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       +
       

     

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       var TIDClock = syntax.NewTIDClock(0)

     

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       func TID() string {

     

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       	return TIDClock.Next().String()

     

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       }