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Code Releases Activity

WIP: Update messages

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This commit is contained in:
Philipp Heckel 2022-03-23 16:39:22 -04:00
parent b409c89d3b
commit 8848829dfa
4 changed files with 100 additions and 27 deletions
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62
server/message_cache.go
View file

@ -23,6 +23,7 @@ const (
id INTEGER PRIMARY KEY AUTOINCREMENT,
mid TEXT NOT NULL,
time INT NOT NULL,
updated INT NOT NULL,
topic TEXT NOT NULL,
message TEXT NOT NULL,
title TEXT NOT NULL,
@ -43,41 +44,47 @@ const (
COMMIT;
`
insertMessageQuery = `
INSERT INTO messages (mid, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding, published)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
INSERT INTO messages (mid, time, updated, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding, published)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
`
updateMessageQuery = `UPDATE messages SET updated = ?, message = ?, title = ?, priority = ?, tags = ?, click = ? WHERE topic = ? AND mid = ?`
pruneMessagesQuery = `DELETE FROM messages WHERE time < ? AND published = 1`
selectRowIDFromMessageID = `SELECT id FROM messages WHERE topic = ? AND mid = ?`
selectMessagesSinceTimeQuery = `
SELECT mid, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
SELECT mid, time, updated, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
FROM messages
WHERE topic = ? AND time >= ? AND published = 1
ORDER BY time, id
`
selectMessagesSinceTimeIncludeScheduledQuery = `
SELECT mid, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
SELECT mid, time, updated, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
FROM messages
WHERE topic = ? AND time >= ?
ORDER BY time, id
`
selectMessagesSinceIDQuery = `
SELECT mid, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
SELECT mid, time, updated, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
FROM messages
WHERE topic = ? AND id > ? AND published = 1
ORDER BY time, id
`
selectMessagesSinceIDIncludeScheduledQuery = `
SELECT mid, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
SELECT mid, time, updated, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
FROM messages
WHERE topic = ? AND (id > ? OR published = 0)
ORDER BY time, id
`
selectMessagesDueQuery = `
SELECT mid, time, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
SELECT mid, time, updated, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
FROM messages
WHERE time <= ? AND published = 0
ORDER BY time, id
`
selectMessageByIDQuery = `
SELECT mid, time, updated, topic, message, title, priority, tags, click, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, attachment_owner, encoding
FROM messages
WHERE topic = ? AND mid = ?
`
updateMessagePublishedQuery = `UPDATE messages SET published = 1 WHERE mid = ?`
selectMessagesCountQuery = `SELECT COUNT(*) FROM messages`
selectMessageCountForTopicQuery = `SELECT COUNT(*) FROM messages WHERE topic = ?`
@ -232,6 +239,7 @@ func (c *messageCache) AddMessage(m *message) error {
insertMessageQuery,
m.ID,
m.Time,
m.Updated,
m.Topic,
m.Message,
m.Title,
@ -250,6 +258,28 @@ func (c *messageCache) AddMessage(m *message) error {
return err
}
func (c *messageCache) UpdateMessage(m *message) error {
if m.Event != messageEvent {
return errUnexpectedMessageType
}
if c.nop {
return nil
}
tags := strings.Join(m.Tags, ",")
_, err := c.db.Exec(
updateMessageQuery,
m.Updated,
m.Message,
m.Title,
m.Priority,
tags,
m.Click,
m.Topic,
m.ID,
)
return err
}
func (c *messageCache) Messages(topic string, since sinceMarker, scheduled bool) ([]*message, error) {
if since.IsNone() {
return make([]*message, 0), nil
@ -393,16 +423,31 @@ func (c *messageCache) AttachmentsExpired() ([]string, error) {
return ids, nil
}
func (c *messageCache) Message(topic, id string) (*message, error) {
rows, err := c.db.Query(selectMessageByIDQuery, topic, id)
if err != nil {
return nil, err
}
messages, err := readMessages(rows)
if err != nil {
return nil, err
} else if len(messages) == 0 {
return nil, errors.New("not found")
}
return messages[0], nil
}
func readMessages(rows *sql.Rows) ([]*message, error) {
defer rows.Close()
messages := make([]*message, 0)
for rows.Next() {
var timestamp, attachmentSize, attachmentExpires int64
var timestamp, updated, attachmentSize, attachmentExpires int64
var priority int
var id, topic, msg, title, tagsStr, click, attachmentName, attachmentType, attachmentURL, attachmentOwner, encoding string
err := rows.Scan(
&id,
&timestamp,
&updated,
&topic,
&msg,
&title,
@ -438,6 +483,7 @@ func readMessages(rows *sql.Rows) ([]*message, error) {
messages = append(messages, &message{
ID: id,
Time: timestamp,
Updated: updated,
Event: messageEvent,
Topic: topic,
Message: msg,

49
server/server.go
View file

@ -57,6 +57,7 @@ var (
// If changed, don't forget to update Android App and auth_sqlite.go
topicRegex = regexp.MustCompile(`^[-_A-Za-z0-9]{1,64}$`) // No /!
topicPathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}$`) // Regex must match JS & Android app!
updateTopicPathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}/[A-Za-z0-9]{12}$`) // ID length must match messageIDLength & util.randomStringCharset
externalTopicPathRegex = regexp.MustCompile(`^/[^/]+\.[^/]+/[-_A-Za-z0-9]{1,64}$`) // Extended topic path, for web-app, e.g. /example.com/mytopic
jsonPathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/json$`)
ssePathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/sse$`)
@ -279,7 +280,7 @@ func (s *Server) handleInternal(w http.ResponseWriter, r *http.Request, v *visit
return s.handleOptions(w, r)
} else if (r.Method == http.MethodPut || r.Method == http.MethodPost) && r.URL.Path == "/" {
return s.limitRequests(s.transformBodyJSON(s.authWrite(s.handlePublish)))(w, r, v)
} else if (r.Method == http.MethodPut || r.Method == http.MethodPost) && topicPathRegex.MatchString(r.URL.Path) {
} else if (r.Method == http.MethodPut || r.Method == http.MethodPost) && (topicPathRegex.MatchString(r.URL.Path) || updateTopicPathRegex.MatchString(r.URL.Path)) {
return s.limitRequests(s.authWrite(s.handlePublish))(w, r, v)
} else if r.Method == http.MethodGet && publishPathRegex.MatchString(r.URL.Path) {
return s.limitRequests(s.authWrite(s.handlePublish))(w, r, v)
@ -390,7 +391,22 @@ func (s *Server) handleFile(w http.ResponseWriter, r *http.Request, v *visitor)
}
func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visitor) error {
t, err := s.topicFromPath(r.URL.Path)
t, messageID, err := s.topicAndMessageIDFromPath(r.URL.Path)
if err != nil {
return err
}
updated := messageID != ""
var m *message
if updated {
m, err = s.messageCache.Message(t.ID, messageID)
if err != nil {
return err //errors.New("message does not exist")
}
m.Updated = time.Now().Unix()
} else {
m = newDefaultMessage(t.ID, "")
}
cache, firebase, email, unifiedpush, err := s.parsePublishParams(r, v, m)
if err != nil {
return err
}
@ -398,11 +414,6 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
if err != nil {
return err
}
m := newDefaultMessage(t.ID, "")
cache, firebase, email, unifiedpush, err := s.parsePublishParams(r, v, m)
if err != nil {
return err
}
if err := s.handlePublishBody(r, v, m, body, unifiedpush); err != nil {
return err
}
@ -430,10 +441,16 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
}()
}
if cache {
if updated {
if err := s.messageCache.UpdateMessage(m); err != nil {
return err
}
} else {
if err := s.messageCache.AddMessage(m); err != nil {
return err
}
}
}
w.Header().Set("Content-Type", "application/json")
w.Header().Set("Access-Control-Allow-Origin", "*") // CORS, allow cross-origin requests
if err := json.NewEncoder(w).Encode(m); err != nil {
@ -447,6 +464,10 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
func (s *Server) parsePublishParams(r *http.Request, v *visitor, m *message) (cache bool, firebase bool, email string, unifiedpush bool, err error) {
cache = readBoolParam(r, true, "x-cache", "cache")
if !cache && m.Updated != 0 {
return false, false, "", false, errors.New("message updates must be cached")
}
// TODO more restrictions
firebase = readBoolParam(r, true, "x-firebase", "firebase")
m.Title = readParam(r, "x-title", "title", "t")
m.Click = readParam(r, "x-click", "click")
@ -888,16 +909,20 @@ func (s *Server) handleOptions(w http.ResponseWriter, _ *http.Request) error {
return nil
}
func (s *Server) topicFromPath(path string) (*topic, error) {
func (s *Server) topicAndMessageIDFromPath(path string) (*topic, string, error) {
parts := strings.Split(path, "/")
if len(parts) < 2 {
return nil, errHTTPBadRequestTopicInvalid
if len(parts) != 2 && len(parts) != 3 {
return nil, "", errHTTPBadRequestTopicInvalid
}
topics, err := s.topicsFromIDs(parts[1])
if err != nil {
return nil, err
return nil, "", err
}
return topics[0], nil
messageID := ""
if len(parts) == 3 && len(parts[2]) == messageIDLength {
messageID = parts[2]
}
return topics[0], messageID, nil
}
func (s *Server) topicsFromPath(path string) ([]*topic, string, error) {

4
server/types.go
View file

@ -30,7 +30,9 @@ type message struct {
Attachment *attachment `json:"attachment,omitempty"`
Title string `json:"title,omitempty"`
Message string `json:"message,omitempty"`
Encoding string `json:"encoding,omitempty"` // empty for raw UTF-8, or "base64" for encoded bytes
Encoding string `json:"encoding,omitempty"` // Empty for raw UTF-8, or "base64" for encoded bytes
Updated int64 `json:"updated,omitempty"` // Set if updated, unix time in seconds
Deleted int64 `json:"deleted,omitempty"` // Set if deleted, unix time in seconds
}
type attachment struct {

2
util/util.go
View file

@ -17,7 +17,7 @@ import (
)
const (
randomStringCharset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
randomStringCharset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" // Update updateTopicPathRegex if changed
)
var (