Initial import.

conn/twilio/config.go

@@ -0,0 +1,83 @@
+package twilio
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"net/http"
+	"net/url"
+)
+
+type Config struct {
+	Contacts   []string `yaml:"contacts"`
+	contacts   map[string]bool
+	AccountSID string `yaml:"account_sid"`
+	AuthToken  string `yaml:"auth_token"`
+	Number     string `yaml:"telno"` // kas' telno
+}
+
+func (cfg *Config) postURL() string {
+	return fmt.Sprintf("https://api.twilio.com/2010-04-01/Accounts/%s/Messages.json",
+		cfg.AccountSID)
+}
+
+func (cfg *Config) buildContacts() {
+	cfg.contacts = map[string]bool{}
+	for _, telno := range cfg.Contacts {
+		cfg.contacts[telno] = true
+	}
+}
+
+func (cfg *Config) NumberAuthorized(s string) bool {
+	if cfg.contacts == nil || len(cfg.contacts) != len(cfg.Contacts) {
+		cfg.buildContacts()
+	}
+
+	return cfg.contacts[s]
+}
+
+func validate(cfg *Config) error {
+	if len(cfg.Contacts) == 0 {
+		return errors.New("twilio: no authorized numbers (you won't be able to receive any messages)")
+	}
+
+	if cfg.AccountSID == "" {
+		return errors.New("twilio: missing account SID")
+	}
+
+	if cfg.AuthToken == "" {
+		return errors.New("twilio: missing auth token")
+	}
+
+	if cfg.Number == "" {
+		return errors.New("twilio: no number configured")
+	}
+
+	return nil
+}
+
+var config *Config
+
+func SetConfig(cfg *Config) error {
+	if err := validate(cfg); err != nil {
+		return err
+	}
+	config = cfg
+	return nil
+}
+
+func Send(to string, message string) error {
+	form := url.Values{
+		"Body": {message},
+		"From": {config.Number},
+		"To":   {to},
+	}
+
+	resp, err := http.PostForm(config.postURL(), form)
+	if err != nil {
+		log.Printf("twilio send: %s", err)
+	}
+
+	resp.Body.Close()
+	return nil
+}