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hash.go
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| package lib | |
| import ( | |
| "appengine" | |
| "appengine/urlfetch" | |
| "config" | |
| "crypto/hmac" | |
| "crypto/sha1" | |
| // "encoding/base64" | |
| "encoding/hex" | |
| "log" | |
| "net/url" | |
| "strconv" | |
| "strings" | |
| "time" | |
| ) | |
| const EmailUrl = "/page/api/cons/email_register" | |
| const APIVersion = "2" | |
| type BSD struct{} | |
| // Parameters: | |
| // cons_id (optional) | |
| // The numeric id of the constituent to add the email to. If not supplied, a new constituent will be created. | |
| // email (required) | |
| // The email address to register or update. | |
| // is_subscribed (optional) | |
| // Set the email to subscribed or not (1 or 0) | |
| // guid (optional) | |
| // The guid to look up the constituent by. | |
| // format (optional) | |
| // The format of the response, either json or xml. Defaults to xml. | |
| func (b *BSD) PostEmailSignUp(email string, c appengine.Context) error { | |
| timestamp := strconv.FormatInt(time.Now().Unix(), 10) | |
| log.Printf("timstamp%s", timestamp) | |
| urlValues := url.Values{} | |
| urlValues.Set("api_ts", timestamp) | |
| urlValues.Set("api_ver", APIVersion) | |
| urlValues.Set("api_id", config.Env["bsd"]["api_id"]) | |
| urlValues.Set("email", email) | |
| //urlValues.Set("format", "json") | |
| apiMac := makeApiMac(urlValues) | |
| urlValues.Set("api_mac", apiMac) | |
| log.Printf("%s", urlValues) | |
| client := urlfetch.Client(c) | |
| finalUrl := strings.Join([]string{createUrl(EmailUrl), urlValues.Encode()}, "?") | |
| log.Printf("%s", finalUrl) | |
| log.Printf("%s", client) | |
| resp, err := client.Get(finalUrl) | |
| if err != nil { | |
| return err | |
| } | |
| log.Printf("%s", resp) | |
| return nil | |
| } | |
| func createUrl(url string) string { | |
| return strings.Join([]string{config.Env["bsd"]["root_url"], url}, "") | |
| } | |
| func makeApiMac(params url.Values) string { | |
| secret := []byte(config.Env["bsd"]["api_secret"]) | |
| h := hmac.New(sha1.New, secret) | |
| signingString := makeSigningString(params) | |
| log.Printf("%s", signingString) | |
| h.Write([]byte(signingString)) | |
| log.Print("%s", h.Sum(nil)) | |
| //encoded := base64.StdEncoding.EncodeToString(h.Sum(nil)) | |
| encoded := hex.EncodeToString(h.Sum(nil)) | |
| log.Printf("%s", encoded) | |
| return encoded | |
| } | |
| func makeSigningString(params url.Values) string { | |
| valuesString := params.Encode() | |
| appId := config.Env["bsd"]["api_id"] | |
| signingString := strings.Join([]string{appId, params.Get("api_ts"), EmailUrl, valuesString}, "\n") | |
| log.Printf("%s", signingString) | |
| return signingString | |
| } |
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