Improve performance

This commit is contained in:
Melroy van den Berg 2025-04-25 00:55:17 +02:00
parent 1c8dad5500
commit d85cf4bd11
No known key found for this signature in database
GPG key ID: 71D11FF23454B9D7
3 changed files with 67 additions and 108 deletions

View file

@ -1,7 +1,6 @@
package formatter
import (
"encoding/json"
"fmt"
"strings"
"time"
@ -13,13 +12,7 @@ import (
)
// Format takes ActivityPub data and returns a formatted string representation
func Format(data map[string]interface{}) (string, error) {
// First, get the beautified JSON
jsonData, err := json.MarshalIndent(data, "", " ")
if err != nil {
return "", fmt.Errorf("error formatting JSON: %v", err)
}
func Format(jsonData []byte) (string, error) {
// Create a summary based on the object type
summary := createSummary(jsonData)

View file

@ -24,31 +24,31 @@ const (
// fetchActivityPubObjectWithSignature is a helper function that always signs HTTP requests
// This is the preferred way to fetch ActivityPub content as many instances require signatures
func (r *Resolver) fetchActivityPubObjectWithSignature(objectURL string) ([]byte, map[string]interface{}, error) {
func (r *Resolver) fetchActivityPubObjectWithSignature(objectURL string) ([]byte, error) {
fmt.Printf("Fetching ActivityPub object with HTTP signatures from: %s\n", objectURL)
// Fetch the object itself
_, data, err := r.fetchActivityPubObjectDirect(objectURL)
data, err := r.fetchActivityPubObjectDirect(objectURL)
if err != nil {
return nil, nil, err
return nil, err
}
// Extract the public key ID
keyID, err := r.extractPublicKey(data)
if err != nil {
return nil, nil, fmt.Errorf("could not extract public key: %v", err)
return nil, fmt.Errorf("could not extract public key: %v", err)
}
// Create a new private key for signing (in a real app, we would use a persistent key)
privateKey, err := generateRSAKey()
if err != nil {
return nil, nil, fmt.Errorf("could not generate RSA key: %v", err)
return nil, fmt.Errorf("could not generate RSA key: %v", err)
}
// Now, sign and send the request
req, err := http.NewRequest("GET", objectURL, nil)
if err != nil {
return nil, nil, fmt.Errorf("error creating signed request: %v", err)
return nil, fmt.Errorf("error creating signed request: %v", err)
}
// Set headers
@ -58,42 +58,36 @@ func (r *Resolver) fetchActivityPubObjectWithSignature(objectURL string) ([]byte
// Sign the request
if err := signRequest(req, keyID, privateKey); err != nil {
return nil, nil, fmt.Errorf("could not sign request: %v", err)
return nil, fmt.Errorf("could not sign request: %v", err)
}
// Send the request
fmt.Printf("Sending signed request with headers: %v\n", req.Header)
resp, err := r.client.Do(req)
if err != nil {
return nil, nil, fmt.Errorf("error sending signed request: %v", err)
return nil, fmt.Errorf("error sending signed request: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := io.ReadAll(resp.Body)
return nil, nil, fmt.Errorf("signed request failed with status: %s, body: %s", resp.Status, string(body))
return nil, fmt.Errorf("signed request failed with status: %s, body: %s", resp.Status, string(body))
}
bodyBytes, err := io.ReadAll(resp.Body)
if err != nil {
return nil, nil, fmt.Errorf("error reading response: %v", err)
return nil, fmt.Errorf("error reading response: %v", err)
}
if len(bodyBytes) == 0 {
return nil, nil, fmt.Errorf("received empty response body")
return nil, fmt.Errorf("received empty response body")
}
// Try to decode the JSON response
var body map[string]interface{}
if err := json.Unmarshal(bodyBytes, &body); err != nil {
return nil, nil, fmt.Errorf("error decoding signed response: %v", err)
}
return bodyBytes, body, nil
return bodyBytes, nil
}
// fetchActivityPubObjectDirect is a helper function to fetch content without signatures
// This is used as a fallback when signing fails
func (r *Resolver) fetchActivityPubObjectDirect(objectURL string) ([]byte, map[string]interface{}, error) {
func (r *Resolver) fetchActivityPubObjectDirect(objectURL string) ([]byte, error) {
fmt.Printf("Fetching ActivityPub object directly from: %s\n", objectURL)
// Create a custom client that doesn't follow redirects automatically
@ -107,7 +101,7 @@ func (r *Resolver) fetchActivityPubObjectDirect(objectURL string) ([]byte, map[s
// Create the request
req, err := http.NewRequest("GET", objectURL, nil)
if err != nil {
return nil, nil, fmt.Errorf("error creating request: %v", err)
return nil, fmt.Errorf("error creating request: %v", err)
}
// Set Accept headers to request ActivityPub data
@ -118,7 +112,7 @@ func (r *Resolver) fetchActivityPubObjectDirect(objectURL string) ([]byte, map[s
fmt.Printf("Sending direct request with headers: %v\n", req.Header)
resp, err := client.Do(req)
if err != nil {
return nil, nil, fmt.Errorf("error fetching content: %v", err)
return nil, fmt.Errorf("error fetching content: %v", err)
}
defer resp.Body.Close()
@ -139,13 +133,13 @@ func (r *Resolver) fetchActivityPubObjectDirect(objectURL string) ([]byte, map[s
if resp.StatusCode != http.StatusOK {
// Read body for error info
body, _ := io.ReadAll(resp.Body)
return nil, nil, fmt.Errorf("request failed with status: %s, body: %s", resp.Status, string(body))
return nil, fmt.Errorf("request failed with status: %s, body: %s", resp.Status, string(body))
}
// Read and parse the response
bodyBytes, err := io.ReadAll(resp.Body)
if err != nil {
return nil, nil, fmt.Errorf("error reading response: %v", err)
return nil, fmt.Errorf("error reading response: %v", err)
}
// Debug output
@ -153,26 +147,20 @@ func (r *Resolver) fetchActivityPubObjectDirect(objectURL string) ([]byte, map[s
// Check if the response is empty
if len(bodyBytes) == 0 {
return nil, nil, fmt.Errorf("received empty response body")
return nil, fmt.Errorf("received empty response body")
}
// Try to decode the JSON response
var body map[string]interface{}
if err := json.Unmarshal(bodyBytes, &body); err != nil {
return nil, nil, fmt.Errorf("error decoding response: %v", err)
}
return bodyBytes, body, nil
return bodyBytes, nil
}
// fetchActorData fetches actor data from an actor URL
func (r *Resolver) fetchActorData(actorURL string) ([]byte, map[string]interface{}, error) {
func (r *Resolver) fetchActorData(actorURL string) ([]byte, error) {
fmt.Printf("Fetching actor data from: %s\n", actorURL)
// Create the request
req, err := http.NewRequest("GET", actorURL, nil)
if err != nil {
return nil, nil, fmt.Errorf("error creating request: %v", err)
return nil, fmt.Errorf("error creating request: %v", err)
}
// Set headers
@ -182,66 +170,48 @@ func (r *Resolver) fetchActorData(actorURL string) ([]byte, map[string]interface
// Send the request
resp, err := r.client.Do(req)
if err != nil {
return nil, nil, fmt.Errorf("error fetching actor data: %v", err)
return nil, fmt.Errorf("error fetching actor data: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, nil, fmt.Errorf("actor request failed with status: %s", resp.Status)
return nil, fmt.Errorf("actor request failed with status: %s", resp.Status)
}
// Read and parse the response
bodyBytes, err := io.ReadAll(resp.Body)
if err != nil {
return nil, nil, fmt.Errorf("error reading actor response: %v", err)
return nil, fmt.Errorf("error reading actor response: %v", err)
}
// Parse JSON
var data map[string]interface{}
if err := json.Unmarshal(bodyBytes, &data); err != nil {
return nil, nil, fmt.Errorf("error parsing actor data: %v", err)
}
return bodyBytes, data, nil
return bodyBytes, nil
}
// extractPublicKey extracts the public key ID from actor data
func (r *Resolver) extractPublicKey(data map[string]interface{}) (string, error) {
// Convert to JSON string for easier parsing with gjson
dataJSON, err := json.Marshal(data)
if err != nil {
return "", fmt.Errorf("error marshaling actor data: %v", err)
}
// Try to find the attributedTo URL using dataJSON
actorURL := gjson.GetBytes(dataJSON, "attributedTo").String()
func (r *Resolver) extractPublicKey(data []byte) (string, error) {
// Try to find the attributedTo URL
actorURL := gjson.GetBytes(data, "attributedTo").String()
if actorURL == "" {
fmt.Printf("Could not find attributedTo in object\n")
// Try to find key in the object itself
keyID := gjson.GetBytes(dataJSON, "publicKey.id").String()
keyID := gjson.GetBytes(data, "publicKey.id").String()
if keyID == "" {
return "", fmt.Errorf("could not find public key ID in object")
}
return keyID, nil
} else {
_, actorData, err := r.fetchActorData(actorURL)
actorData, err := r.fetchActorData(actorURL)
if err != nil {
return "", fmt.Errorf("error fetching actor data: %v", err)
}
// Convert actorData to JSON
actorJSON, err := json.Marshal(actorData)
if err != nil {
return "", fmt.Errorf("error marshaling actor data: %v", err)
}
// Extract key ID
keyID := gjson.GetBytes(actorJSON, "publicKey.id").String()
keyID := gjson.GetBytes(actorData, "publicKey.id").String()
if keyID == "" {
// Try alternate formats
keyID = gjson.GetBytes(actorJSON, "publicKey.0.id").String()
keyID = gjson.GetBytes(actorData, "publicKey.0.id").String()
}
if keyID == "" {
fmt.Printf("could not find public key ID in actor data")
@ -287,22 +257,22 @@ func signRequest(req *http.Request, keyID string, privateKey *rsa.PrivateKey) er
return signer.SignRequest(privateKey, keyID, req, nil)
}
// fetchNodeInfo fetches nodeinfo from the given domain, returning the raw JSON and parsed data
func (r *Resolver) fetchNodeInfo(domain string) ([]byte, map[string]interface{}, error) {
// fetchNodeInfo fetches nodeinfo from the given domain, returning the raw JSON
func (r *Resolver) fetchNodeInfo(domain string) ([]byte, error) {
nodeinfoURL := "https://" + domain + "/.well-known/nodeinfo"
fmt.Printf("Fetching nodeinfo discovery from: %s\n", nodeinfoURL)
resp, err := r.client.Get(nodeinfoURL)
if err != nil {
return nil, nil, fmt.Errorf("error fetching nodeinfo discovery: %v", err)
return nil, fmt.Errorf("error fetching nodeinfo discovery: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, nil, fmt.Errorf("nodeinfo discovery failed with status: %s", resp.Status)
return nil, fmt.Errorf("nodeinfo discovery failed with status: %s", resp.Status)
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, nil, fmt.Errorf("error reading nodeinfo discovery: %v", err)
return nil, fmt.Errorf("error reading nodeinfo discovery: %v", err)
}
var discovery struct {
Links []struct {
@ -311,7 +281,7 @@ func (r *Resolver) fetchNodeInfo(domain string) ([]byte, map[string]interface{},
} `json:"links"`
}
if err := json.Unmarshal(body, &discovery); err != nil {
return nil, nil, fmt.Errorf("error parsing nodeinfo discovery: %v", err)
return nil, fmt.Errorf("error parsing nodeinfo discovery: %v", err)
}
var nodeinfoHref string
for _, link := range discovery.Links {
@ -329,53 +299,40 @@ func (r *Resolver) fetchNodeInfo(domain string) ([]byte, map[string]interface{},
}
}
if nodeinfoHref == "" {
return nil, nil, fmt.Errorf("no nodeinfo schema 2.1 or 2.0 found")
return nil, fmt.Errorf("no nodeinfo schema 2.1 or 2.0 found")
}
fmt.Printf("Fetching nodeinfo from: %s\n", nodeinfoHref)
resp2, err := r.client.Get(nodeinfoHref)
if err != nil {
return nil, nil, fmt.Errorf("error fetching nodeinfo: %v", err)
return nil, fmt.Errorf("error fetching nodeinfo: %v", err)
}
defer resp2.Body.Close()
if resp2.StatusCode != http.StatusOK {
return nil, nil, fmt.Errorf("nodeinfo fetch failed with status: %s", resp2.Status)
return nil, fmt.Errorf("nodeinfo fetch failed with status: %s", resp2.Status)
}
raw, err := io.ReadAll(resp2.Body)
if err != nil {
return nil, nil, fmt.Errorf("error reading nodeinfo: %v", err)
return nil, fmt.Errorf("error reading nodeinfo: %v", err)
}
var nodeinfo map[string]interface{}
if err := json.Unmarshal(raw, &nodeinfo); err != nil {
return nil, nil, fmt.Errorf("error parsing nodeinfo: %v", err)
}
return raw, nodeinfo, nil
return raw, nil
}
// Try to extract actor, else try nodeinfo fallback for top-level domains
func (r *Resolver) ResolveObjectOrNodeInfo(objectURL string) ([]byte, map[string]interface{}, string, error) {
func (r *Resolver) ResolveObjectOrNodeInfo(objectURL string) ([]byte, error) {
// If actor resolution fails, try nodeinfo
parts := strings.Split(objectURL, "/")
if len(parts) < 3 {
return nil, nil, "", fmt.Errorf("invalid object URL: %s", objectURL)
return nil, fmt.Errorf("invalid object URL: %s", objectURL)
}
domain := parts[2]
raw, nodeinfo, err := r.fetchNodeInfo(domain)
body, err := r.fetchNodeInfo(domain)
if err != nil {
return nil, nil, "", fmt.Errorf("could not fetch nodeinfo: %v", err)
return nil, fmt.Errorf("could not fetch nodeinfo: %v", err)
}
return raw, nodeinfo, "nodeinfo", nil
return body, nil
}
// FormatHelperResult wraps formatter.Format for use by resolver.go, keeping formatter import out of resolver.go
func FormatHelperResult(raw []byte, nodeinfo map[string]interface{}) (string, error) {
return formatter.Format(nodeinfo)
}
// Try to always format (ideally the body data, or in the worse case the raw data to string)
func formatResult(raw []byte, data map[string]interface{}) string {
formatted, err := formatter.Format(data)
if err != nil {
return string(raw)
}
return formatted
// Format result
func formatResult(raw []byte) (string, error) {
return formatter.Format(raw)
}

View file

@ -41,11 +41,14 @@ func (r *Resolver) Resolve(input string) (string, error) {
parsedURL, err := url.Parse(inputNorm)
if err == nil && parsedURL.Host != "" && (parsedURL.Path == "" || parsedURL.Path == "/") && parsedURL.RawQuery == "" && parsedURL.Fragment == "" {
// Looks like a root domain (with or without scheme), fetch nodeinfo
raw, nodeinfo, _, err := r.ResolveObjectOrNodeInfo(parsedURL.String())
raw, err := r.ResolveObjectOrNodeInfo(parsedURL.String())
if err != nil {
return "", err
return "", fmt.Errorf("error fetching nodeinfo: %v", err)
}
formatted, err := formatResult(raw)
if err != nil {
return "", fmt.Errorf("error formatting nodeinfo: %v", err)
}
formatted := formatResult(raw, nodeinfo)
return formatted, nil
}
@ -212,7 +215,10 @@ func (r *Resolver) resolveCanonicalActivityPub(objectURL string, depth int) (str
return r.resolveCanonicalActivityPub(idVal, depth+1)
}
// If no id or already canonical, format and return using helpers.go
formatted := formatResult(jsonData, data)
formatted, err := formatResult(jsonData)
if err != nil {
return "", fmt.Errorf("error formatting ActivityPub object: %v", err)
}
return formatted, nil
}
@ -263,10 +269,13 @@ func (r *Resolver) fetchActivityPubObject(objectURL string) (string, error) {
}
// Use our signature-first approach by default
raw, body, err := r.fetchActivityPubObjectWithSignature(objectURL)
raw, err := r.fetchActivityPubObjectWithSignature(objectURL)
if err != nil {
return "", fmt.Errorf("error fetching ActivityPub object: %v", err)
}
formatted := formatResult(raw, body)
formatted, err := formatResult(raw)
if err != nil {
return "", fmt.Errorf("error formatting ActivityPub object: %v", err)
}
return formatted, nil
}