// Panic, but a little nicer
func programmerError(str string) {
panic(locale.Errorf("Programmer Error: %s", locale.Sprintf(str)))
}
func parseQuotedString(str string) (string, locale.Error) {
// strip the quotes
if str[0] != '"' || str[len(str)-1] != '"' {
return "", locale.Errorf("%q does not look like an RFC 7230 quoted-string", str)
}
in := str[1 : len(str)-1]
// main algo
out := make([]byte, len(in))
o := uint(0)
for i := uint(0); i < uint(len(in)); i++ {
switch {
case isQdtext(in[i]):
out[o] = in[i]
o++
case in[i] == '\\':
i++
switch {
case isHTAB(in[i]) || isSP(in[i]) || isVCHAR(in[i]) || isObsText(in[i]):
out[o] = in[i]
o++
default:
return "", locale.Errorf("%c is not a legal character to follow a backslash in an RFC 7230 quoted-string", in[i])
}
default:
return "", locale.Errorf("%c is not a legal character in an RFC 7230 quoted-string", in[i])
}
}
// return
return string(out[:o]), nil
}
func sdGetSocket() (socket net.Listener, err locale.Error) {
fds := sd.ListenFds(true)
if fds == nil {
err = locale.Errorf("Failed to aquire sockets from systemd")
return
}
if len(fds) != 1 {
err = locale.Errorf("Wrong number of sockets from systemd: expected %d but got %d", 1, len(fds))
return
}
socket, uerr := net.FileListener(fds[0])
err = locale.UntranslatedError(uerr)
fds[0].Close()
return
}
func TwilioSMSWaitForCallback(conf *periwinkle.Cfg, messageSID string) (backend.TwilioSMSMessage, locale.Error) {
var status backend.TwilioSMSMessage
var err locale.Error
done := false
for !done {
time.Sleep(time.Second)
conf.DB.Do(func(db *periwinkle.Tx) {
statusptr := backend.GetTwilioSMSMessageBySID(db, messageSID)
if statusptr == nil {
return
}
status = *statusptr
switch status.MessageStatus {
case "delivered":
status.Delete(db)
done = true
return
case "undelivered", "failed":
status.Delete(db)
err = locale.Errorf("TODO")
done = true
return
}
})
}
return status, err
}
func getBool(key string, val interface{}) bool {
b, ok := val.(bool)
if !ok {
gotoError(locale.Errorf("value for %q is not a Boolean", key))
}
return b
}
func getString(key string, val interface{}) string {
str, ok := val.(string)
if !ok {
gotoError(locale.Errorf("value for %q is not a string", key))
}
return str
}
// this captures both `parameter` and accept-parames/accept-ext, with
// the exception that it converts the accept-ext LHS to lowercase,
// which it shouldn't do.
func parseParameter(lhs, rhs string) (string, string, locale.Error) {
var err locale.Error
if !isToken(lhs) {
return "", "", locale.Errorf("%q is not a valid RFC 7230 token", lhs)
}
if rhs[0] == '"' {
rhs, err = parseQuotedString(rhs)
if err != nil {
return "", "", locale.Errorf("%q is not a valid RFC 7230 token or [quoted string]", rhs)
}
} else {
if !isToken(rhs) {
return "", "", locale.Errorf("%q is not a valid RFC 7230 [token] or quoted string", rhs)
}
}
lhs = strings.ToLower(lhs)
return lhs, rhs, nil
}
// Read an entity from the input stream, using the given content type.
func (req *Request) readEntity(router *Router, reader io.Reader, contenttype string) *Response {
mimetype, params, uerr := mime.ParseMediaType(contenttype)
if uerr != nil {
res := router.responseBadRequest(locale.Errorf("Could not parse Content-Type: %v", locale.UntranslatedError(uerr)))
return &res
}
decoder, foundDecoder := router.Decoders[mimetype]
if !foundDecoder {
res := router.responseUnsupportedMediaType(locale.Errorf("Unsupported MIME type: " + mimetype))
return &res
}
entity, err := decoder(reader, params)
if err != nil {
res := router.responseUnsupportedMediaType(locale.Errorf("Error reading request body (%s): %v", mimetype, err))
return &res
}
req.Entity = entity
return nil
}
// Panic, but a little nicer
func dbError(err error) {
// TODO: return better messages for Conflict errors.
switch e := err.(type) {
case sqlite3.Error:
if e.Code == sqlite3.ErrConstraint {
panic(periwinkle.Conflict{locale.UntranslatedError(e)})
}
panic(locale.UntranslatedError(e))
case *mysql.MySQLError:
// TODO: this list of error numbers might not be
// complete, or totally correct. See
// https://mariadb.com/kb/en/mariadb/mariadb-error-codes/
switch e.Number {
case 1022, 1062, 1169, 1216, 1217, 1451, 1452, 1557, 1761, 1762, 1834:
panic(periwinkle.Conflict{locale.UntranslatedError(e)})
}
panic(locale.UntranslatedError(e))
default:
panic(locale.Errorf("Programmer Error: the programmer said this is a database error, but it's not: %s", e))
}
}
// function returns a phone number and Status
// if successful, returns a new phone number and OK
func NewPhoneNum(cfg *periwinkle.Cfg) (string, locale.Error) {
// gets url for available numbers
availNumURL := "https://api.twilio.com/2010-04-01/Accounts/" + cfg.TwilioAccountID + "/AvailablePhoneNumbers/US/Local.json?SmsEnabled=true&MmsEnabled=true"
// gets url for a new phone number
newPhoneNumURL := "https://api.twilio.com/2010-04-01/Accounts/" + cfg.TwilioAccountID + "/IncomingPhoneNumbers.json"
client := &http.Client{}
req, err := http.NewRequest("GET", availNumURL, nil)
if err != nil {
return "", locale.UntranslatedError(err)
}
req.SetBasicAuth(cfg.TwilioAccountID, cfg.TwilioAuthToken)
resp, err := client.Do(req)
defer resp.Body.Close()
if err != nil {
return "", locale.UntranslatedError(err)
}
if resp.StatusCode == 302 {
url, err := resp.Location()
if err != nil {
return "", locale.UntranslatedError(err)
}
req, err = http.NewRequest("GET", url.String(), nil)
if err != nil {
return "", locale.UntranslatedError(err)
}
req.SetBasicAuth(cfg.TwilioAccountID, cfg.TwilioAuthToken)
resp, err = client.Do(req)
defer resp.Body.Close()
if err != nil {
return "", locale.UntranslatedError(err)
}
if resp.StatusCode != 200 {
return "", locale.Errorf("%s", resp.Status)
}
} else if resp.StatusCode == 200 {
//continue
} else {
return "", locale.Errorf("%s", resp.Status)
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "", locale.UntranslatedError(err)
}
availNumber := AvailPhNum{}
json.Unmarshal(body, &availNumber)
if len(availNumber.PhoneNumberList) != 0 {
number := availNumber.PhoneNumberList[0].PhoneNumber
val := url.Values{}
val.Set("PhoneNumber", availNumber.PhoneNumberList[0].PhoneNumber)
val.Set("SmsUrl", "http://twimlets.com/echo?Twiml=%3CResponse%3E%3C%2FResponse%3E")
req, err = http.NewRequest("POST", newPhoneNumURL, bytes.NewBuffer([]byte(val.Encode())))
if err != nil {
return "", locale.UntranslatedError(err)
}
req.SetBasicAuth(cfg.TwilioAccountID, cfg.TwilioAuthToken)
req.Header.Add("Accept", "application/json")
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
resp, err = client.Do(req)
defer resp.Body.Close()
if err != nil {
return "", locale.UntranslatedError(err)
}
if resp.StatusCode != 200 && resp.StatusCode != 201 {
return "", locale.Errorf("%s", resp.Status)
}
body, err = ioutil.ReadAll(resp.Body)
if err != nil {
return "", locale.UntranslatedError(err)
}
return number, nil
}
return "", locale.Errorf("There are no available phone numbers!!!")
}
)
var MiddlewarePostHack = he.Middleware{
Outside: func(req he.Request, handle func(he.Request) he.Response) he.Response {
if req.Method != "POST" {
return handle(req)
}
decoder, ok := req.Entity.(*json.Decoder)
if !ok {
return handle(req)
}
var entity interface{}
err := decoder.Decode(&entity)
if err != nil {
return rfc7231.StatusUnsupportedMediaType(he.ErrorToNetEntity(415, locale.Errorf("Couldn't parse: %v", err)))
}
hash, ok := entity.(map[string]interface{})
if !ok {
return handle(req)
}
method, ok := hash["_method"].(string)
delete(hash, "_method")
if ok {
req.Method = method
}
xsrf_token, ok := hash["_xsrf_token"].(string)
delete(hash, "_xsrf_token")
func Parse(in io.Reader) (cfgptr *periwinkle.Cfg, e locale.Error) {
defer func() {
if r := recover(); r != nil {
cfgptr = nil
switch err := r.(type) {
case locale.Error:
e = err
default:
panic(r)
}
}
}()
// these are the defaults
hostname, err := os.Hostname()
if err != nil {
hostname = "localhost"
}
cfg := periwinkle.Cfg{
Mailstore: "./Maildir",
WebUIDir: "./www",
Debug: true,
TrustForwarded: true,
TwilioAccountID: os.Getenv("TWILIO_ACCOUNTID"),
TwilioAuthToken: os.Getenv("TWILIO_TOKEN"),
GroupDomain: "localhost",
WebRoot: "http://" + hostname + ":8080",
DB: nil, // the default DB is set later
DefaultDomainHandler: bounceNoHost,
}
datstr, err := ioutil.ReadAll(in)
if err != nil {
gotoError(locale.UntranslatedError(err))
}
var datint interface{}
err = yaml.Unmarshal(datstr, &datint)
if err != nil {
gotoError(locale.UntranslatedError(err))
}
datmap, ok := datint.(map[interface{}]interface{})
if !ok {
gotoError(locale.Errorf("root element is not a map"))
}
var dbdriver string
var dbsource string
for key, val := range datmap {
switch key {
case "Mailstore":
cfg.Mailstore = maildir.Maildir(getString(key.(string), val))
case "WebUIDir":
cfg.WebUIDir = http.Dir(getString(key.(string), val))
case "Debug":
cfg.Debug = getBool(key.(string), val)
case "TrustForwarded":
cfg.TrustForwarded = getBool(key.(string), val)
case "TwilioAccountID":
cfg.TwilioAccountID = getString(key.(string), val)
case "TwilioAuthToken":
cfg.TwilioAuthToken = getString(key.(string), val)
case "GroupDomain":
cfg.GroupDomain = getString(key.(string), val)
case "WebRoot":
cfg.WebRoot = getString(key.(string), val)
case "DB":
m, ok := val.(map[interface{}]interface{})
if !ok {
gotoError(locale.Errorf("value for %q is not a map", key.(string)))
}
for key, val := range m {
switch key {
case "driver":
dbdriver = getString("DB."+key.(string), val)
case "source":
dbsource = getString("DB."+key.(string), val)
default:
gotoError(locale.Errorf("unknown field: %v", "DB."+key.(string)))
}
}
default:
gotoError(locale.Errorf("unknown field: %v", key))
}
}
if dbdriver != "" && dbsource != "" {
db, err := OpenDB(dbdriver, dbsource, cfg.Debug)
if err != nil {
gotoError(err)
}
cfg.DB = db
}
// Set the default database
if cfg.DB == nil {
periwinkle.Logf("DB not configured, trying MySQL periwinkle:periwinkle@localhost/periwinkle ...")
db, err := OpenDB("mysql", "periwinkle:periwinkle@/periwinkle?charset=utf8&parseTime=True", cfg.Debug)
if err != nil {
periwinkle.Logf("Could not connect to MySQL: %v", locale.UntranslatedError(err))
periwinkle.Logf("No MySQL, trying SQLite3 file:periwinkle.sqlite ...")
db, err = OpenDB("sqlite3", "file:periwinkle.sqlite?mode=rwc&_txlock=exclusive", cfg.Debug)
if err != nil {
periwinkle.Logf("Could not open SQLite3 DB: %v", locale.UntranslatedError(err))
gotoError(locale.Errorf("Could not connect to database"))
}
}
cfg.DB = db
}
domain_handlers.GetHandlers(&cfg)
return &cfg, nil
}
func perrorf(header string, format string, args ...interface{}) locale.Error {
return ParseError{
Header: header,
Message: locale.Errorf(format, args...),
}
}
