package controllers import ( "bytes" "crypto/tls" "encoding/json" "errors" "fmt" "net/http" "strconv" "strings" "text/template" "time" "github.com/PuerkitoBio/goquery" "github.com/gophish/gophish/auth" ctx "github.com/gophish/gophish/context" "github.com/gophish/gophish/models" "github.com/gophish/gophish/util" "github.com/gophish/gophish/worker" "github.com/gorilla/mux" "github.com/jinzhu/gorm" "github.com/jordan-wright/email" ) // Worker is the worker that processes phishing events and updates campaigns. var Worker *worker.Worker func init() { Worker = worker.New() go Worker.Start() } // API (/api) provides access to api documentation func API(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": templates := template.New("template") _, err := templates.ParseFiles("templates/docs.html") if err != nil { Logger.Println(err) } template.Must(templates, err).ExecuteTemplate(w, "base", nil) } } // API (/api/reset) resets a user's API key func API_Reset(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "POST": u := ctx.Get(r, "user").(models.User) u.ApiKey = auth.GenerateSecureKey() err := models.PutUser(&u) if err != nil { http.Error(w, "Error setting API Key", http.StatusInternalServerError) } else { JSONResponse(w, models.Response{Success: true, Message: "API Key successfully reset!", Data: u.ApiKey}, http.StatusOK) } } } // API_Campaigns returns a list of campaigns if requested via GET. // If requested via POST, API_Campaigns creates a new campaign and returns a reference to it. func API_Campaigns(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": cs, err := models.GetCampaigns(ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) } JSONResponse(w, cs, http.StatusOK) //POST: Create a new campaign and return it as JSON case r.Method == "POST": c := models.Campaign{} // Put the request into a campaign err := json.NewDecoder(r.Body).Decode(&c) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Invalid JSON structure"}, http.StatusBadRequest) return } err = models.PostCampaign(&c, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } JSONResponse(w, c, http.StatusCreated) } } // API_Campaigns_Summary returns the summary for the current user's campaigns func API_Campaigns_Summary(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": cs, err := models.GetCampaignSummaries(ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) return } JSONResponse(w, cs, http.StatusOK) } } // API_Campaigns_Id returns details about the requested campaign. If the campaign is not // valid, API_Campaigns_Id returns null. func API_Campaigns_Id(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) c, err := models.GetCampaign(id, ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) JSONResponse(w, models.Response{Success: false, Message: "Campaign not found"}, http.StatusNotFound) return } switch { case r.Method == "GET": JSONResponse(w, c, http.StatusOK) case r.Method == "DELETE": err = models.DeleteCampaign(id) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error deleting campaign"}, http.StatusInternalServerError) return } JSONResponse(w, models.Response{Success: true, Message: "Campaign deleted successfully!"}, http.StatusOK) } } // API_Campaigns_Id_Results returns just the results for a given campaign to // significantly reduce the information returned. func API_Campaigns_Id_Results(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) cr, err := models.GetCampaignResults(id, ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) JSONResponse(w, models.Response{Success: false, Message: "Campaign not found"}, http.StatusNotFound) return } if r.Method == "GET" { JSONResponse(w, cr, http.StatusOK) return } } // API_Campaigns_Id_Summary returns just the summary for a given campaign. func API_Campaign_Id_Summary(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) switch { case r.Method == "GET": cs, err := models.GetCampaignSummary(id, ctx.Get(r, "user_id").(int64)) if err != nil { if err == gorm.ErrRecordNotFound { JSONResponse(w, models.Response{Success: false, Message: "Campaign not found"}, http.StatusNotFound) } else { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) } Logger.Println(err) return } JSONResponse(w, cs, http.StatusOK) } } // API_Campaigns_Id_Complete effectively "ends" a campaign. // Future phishing emails clicked will return a simple "404" page. func API_Campaigns_Id_Complete(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) switch { case r.Method == "GET": err := models.CompleteCampaign(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error completing campaign"}, http.StatusInternalServerError) return } JSONResponse(w, models.Response{Success: true, Message: "Campaign completed successfully!"}, http.StatusOK) } } // API_Groups returns a list of groups if requested via GET. // If requested via POST, API_Groups creates a new group and returns a reference to it. func API_Groups(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": gs, err := models.GetGroups(ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "No groups found"}, http.StatusNotFound) return } JSONResponse(w, gs, http.StatusOK) //POST: Create a new group and return it as JSON case r.Method == "POST": g := models.Group{} // Put the request into a group err := json.NewDecoder(r.Body).Decode(&g) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Invalid JSON structure"}, http.StatusBadRequest) return } _, err = models.GetGroupByName(g.Name, ctx.Get(r, "user_id").(int64)) if err != gorm.ErrRecordNotFound { JSONResponse(w, models.Response{Success: false, Message: "Group name already in use"}, http.StatusConflict) return } g.ModifiedDate = time.Now().UTC() g.UserId = ctx.Get(r, "user_id").(int64) err = models.PostGroup(&g) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } JSONResponse(w, g, http.StatusCreated) } } // API_Groups_Summary returns a summary of the groups owned by the current user. func API_Groups_Summary(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": gs, err := models.GetGroupSummaries(ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) return } JSONResponse(w, gs, http.StatusOK) } } // API_Groups_Id returns details about the requested group. // If the group is not valid, API_Groups_Id returns null. func API_Groups_Id(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) g, err := models.GetGroup(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Group not found"}, http.StatusNotFound) return } switch { case r.Method == "GET": JSONResponse(w, g, http.StatusOK) case r.Method == "DELETE": err = models.DeleteGroup(&g) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error deleting group"}, http.StatusInternalServerError) return } JSONResponse(w, models.Response{Success: true, Message: "Group deleted successfully!"}, http.StatusOK) case r.Method == "PUT": // Change this to get from URL and uid (don't bother with id in r.Body) g = models.Group{} err = json.NewDecoder(r.Body).Decode(&g) if g.Id != id { JSONResponse(w, models.Response{Success: false, Message: "Error: /:id and group_id mismatch"}, http.StatusInternalServerError) return } g.ModifiedDate = time.Now().UTC() g.UserId = ctx.Get(r, "user_id").(int64) err = models.PutGroup(&g) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } JSONResponse(w, g, http.StatusOK) } } // API_Groups_Id_Summary returns a summary of the groups owned by the current user. func API_Groups_Id_Summary(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) g, err := models.GetGroupSummary(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Group not found"}, http.StatusNotFound) return } JSONResponse(w, g, http.StatusOK) } } // API_Templates handles the functionality for the /api/templates endpoint func API_Templates(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": ts, err := models.GetTemplates(ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) } JSONResponse(w, ts, http.StatusOK) //POST: Create a new template and return it as JSON case r.Method == "POST": t := models.Template{} // Put the request into a template err := json.NewDecoder(r.Body).Decode(&t) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Invalid JSON structure"}, http.StatusBadRequest) return } _, err = models.GetTemplateByName(t.Name, ctx.Get(r, "user_id").(int64)) if err != gorm.ErrRecordNotFound { JSONResponse(w, models.Response{Success: false, Message: "Template name already in use"}, http.StatusConflict) return } t.ModifiedDate = time.Now().UTC() t.UserId = ctx.Get(r, "user_id").(int64) err = models.PostTemplate(&t) if err == models.ErrTemplateNameNotSpecified { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } if err == models.ErrTemplateMissingParameter { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error inserting template into database"}, http.StatusInternalServerError) Logger.Println(err) return } JSONResponse(w, t, http.StatusCreated) } } // API_Templates_Id handles the functions for the /api/templates/:id endpoint func API_Templates_Id(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) t, err := models.GetTemplate(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Template not found"}, http.StatusNotFound) return } switch { case r.Method == "GET": JSONResponse(w, t, http.StatusOK) case r.Method == "DELETE": err = models.DeleteTemplate(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error deleting template"}, http.StatusInternalServerError) return } JSONResponse(w, models.Response{Success: true, Message: "Template deleted successfully!"}, http.StatusOK) case r.Method == "PUT": t = models.Template{} err = json.NewDecoder(r.Body).Decode(&t) if err != nil { Logger.Println(err) } if t.Id != id { JSONResponse(w, models.Response{Success: false, Message: "Error: /:id and template_id mismatch"}, http.StatusBadRequest) return } t.ModifiedDate = time.Now().UTC() t.UserId = ctx.Get(r, "user_id").(int64) err = models.PutTemplate(&t) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } JSONResponse(w, t, http.StatusOK) } } // API_Pages handles requests for the /api/pages/ endpoint func API_Pages(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": ps, err := models.GetPages(ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) } JSONResponse(w, ps, http.StatusOK) //POST: Create a new page and return it as JSON case r.Method == "POST": p := models.Page{} // Put the request into a page err := json.NewDecoder(r.Body).Decode(&p) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Invalid request"}, http.StatusBadRequest) return } // Check to make sure the name is unique _, err = models.GetPageByName(p.Name, ctx.Get(r, "user_id").(int64)) if err != gorm.ErrRecordNotFound { JSONResponse(w, models.Response{Success: false, Message: "Page name already in use"}, http.StatusConflict) Logger.Println(err) return } p.ModifiedDate = time.Now().UTC() p.UserId = ctx.Get(r, "user_id").(int64) err = models.PostPage(&p) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) return } JSONResponse(w, p, http.StatusCreated) } } // API_Pages_Id contains functions to handle the GET'ing, DELETE'ing, and PUT'ing // of a Page object func API_Pages_Id(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) p, err := models.GetPage(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Page not found"}, http.StatusNotFound) return } switch { case r.Method == "GET": JSONResponse(w, p, http.StatusOK) case r.Method == "DELETE": err = models.DeletePage(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error deleting page"}, http.StatusInternalServerError) return } JSONResponse(w, models.Response{Success: true, Message: "Page Deleted Successfully"}, http.StatusOK) case r.Method == "PUT": p = models.Page{} err = json.NewDecoder(r.Body).Decode(&p) if err != nil { Logger.Println(err) } if p.Id != id { JSONResponse(w, models.Response{Success: false, Message: "/:id and /:page_id mismatch"}, http.StatusBadRequest) return } p.ModifiedDate = time.Now().UTC() p.UserId = ctx.Get(r, "user_id").(int64) err = models.PutPage(&p) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error updating page: " + err.Error()}, http.StatusInternalServerError) return } JSONResponse(w, p, http.StatusOK) } } // API_SMTP handles requests for the /api/smtp/ endpoint func API_SMTP(w http.ResponseWriter, r *http.Request) { switch { case r.Method == "GET": ss, err := models.GetSMTPs(ctx.Get(r, "user_id").(int64)) if err != nil { Logger.Println(err) } JSONResponse(w, ss, http.StatusOK) //POST: Create a new SMTP and return it as JSON case r.Method == "POST": s := models.SMTP{} // Put the request into a page err := json.NewDecoder(r.Body).Decode(&s) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Invalid request"}, http.StatusBadRequest) return } // Check to make sure the name is unique _, err = models.GetSMTPByName(s.Name, ctx.Get(r, "user_id").(int64)) if err != gorm.ErrRecordNotFound { JSONResponse(w, models.Response{Success: false, Message: "SMTP name already in use"}, http.StatusConflict) Logger.Println(err) return } s.ModifiedDate = time.Now().UTC() s.UserId = ctx.Get(r, "user_id").(int64) err = models.PostSMTP(&s) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) return } JSONResponse(w, s, http.StatusCreated) } } // API_SMTP_Id contains functions to handle the GET'ing, DELETE'ing, and PUT'ing // of a SMTP object func API_SMTP_Id(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id, _ := strconv.ParseInt(vars["id"], 0, 64) s, err := models.GetSMTP(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "SMTP not found"}, http.StatusNotFound) return } switch { case r.Method == "GET": JSONResponse(w, s, http.StatusOK) case r.Method == "DELETE": err = models.DeleteSMTP(id, ctx.Get(r, "user_id").(int64)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error deleting SMTP"}, http.StatusInternalServerError) return } JSONResponse(w, models.Response{Success: true, Message: "SMTP Deleted Successfully"}, http.StatusOK) case r.Method == "PUT": s = models.SMTP{} err = json.NewDecoder(r.Body).Decode(&s) if err != nil { Logger.Println(err) } if s.Id != id { JSONResponse(w, models.Response{Success: false, Message: "/:id and /:smtp_id mismatch"}, http.StatusBadRequest) return } err = s.Validate() if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } s.ModifiedDate = time.Now().UTC() s.UserId = ctx.Get(r, "user_id").(int64) err = models.PutSMTP(&s) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error updating page"}, http.StatusInternalServerError) return } JSONResponse(w, s, http.StatusOK) } } // API_Import_Group imports a CSV of group members func API_Import_Group(w http.ResponseWriter, r *http.Request) { ts, err := util.ParseCSV(r) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error parsing CSV"}, http.StatusInternalServerError) return } JSONResponse(w, ts, http.StatusOK) return } // API_Import_Email allows for the importing of email. // Returns a Message object func API_Import_Email(w http.ResponseWriter, r *http.Request) { if r.Method != "POST" { JSONResponse(w, models.Response{Success: false, Message: "Method not allowed"}, http.StatusBadRequest) return } ir := struct { Content string `json:"content"` ConvertLinks bool `json:"convert_links"` }{} err := json.NewDecoder(r.Body).Decode(&ir) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error decoding JSON Request"}, http.StatusBadRequest) return } e, err := email.NewEmailFromReader(strings.NewReader(ir.Content)) if err != nil { Logger.Println(err) } // If the user wants to convert links to point to // the landing page, let's make it happen by changing up // e.HTML if ir.ConvertLinks { d, err := goquery.NewDocumentFromReader(bytes.NewReader(e.HTML)) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } d.Find("a").Each(func(i int, a *goquery.Selection) { a.SetAttr("href", "{{.URL}}") }) h, err := d.Html() if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) return } e.HTML = []byte(h) } er := emailResponse{ Subject: e.Subject, Text: string(e.Text), HTML: string(e.HTML), } JSONResponse(w, er, http.StatusOK) return } // API_Import_Site allows for the importing of HTML from a website // Without "include_resources" set, it will merely place a "base" tag // so that all resources can be loaded relative to the given URL. func API_Import_Site(w http.ResponseWriter, r *http.Request) { cr := cloneRequest{} if r.Method != "POST" { JSONResponse(w, models.Response{Success: false, Message: "Method not allowed"}, http.StatusBadRequest) return } err := json.NewDecoder(r.Body).Decode(&cr) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error decoding JSON Request"}, http.StatusBadRequest) return } if err = cr.validate(); err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } tr := &http.Transport{ TLSClientConfig: &tls.Config{ InsecureSkipVerify: true, }, } client := &http.Client{Transport: tr} resp, err := client.Get(cr.URL) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } // Insert the base href tag to better handle relative resources d, err := goquery.NewDocumentFromResponse(resp) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } // Assuming we don't want to include resources, we'll need a base href if d.Find("head base").Length() == 0 { d.Find("head").PrependHtml(fmt.Sprintf("", cr.URL)) } forms := d.Find("form") forms.Each(func(i int, f *goquery.Selection) { // We'll want to store where we got the form from // (the current URL) url := f.AttrOr("action", cr.URL) if !strings.HasPrefix(url, "http") { url = fmt.Sprintf("%s%s", cr.URL, url) } f.PrependHtml(fmt.Sprintf("", url)) }) h, err := d.Html() if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) return } cs := cloneResponse{HTML: h} JSONResponse(w, cs, http.StatusOK) return } // API_Send_Test_Email sends a test email using the template name // and Target given. func API_Send_Test_Email(w http.ResponseWriter, r *http.Request) { s := &models.SendTestEmailRequest{} if r.Method != "POST" { JSONResponse(w, models.Response{Success: false, Message: "Method not allowed"}, http.StatusBadRequest) return } err := json.NewDecoder(r.Body).Decode(s) if err != nil { JSONResponse(w, models.Response{Success: false, Message: "Error decoding JSON Request"}, http.StatusBadRequest) return } // Validate the given request if err = s.Validate(); err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } // If a Template is not specified use a default if s.Template.Name == "" { //default message body text := "It works!\n\nThis is an email letting you know that your gophish\nconfiguration was successful.\n" + "Here are the details:\n\nWho you sent from: {{.From}}\n\nWho you sent to: \n" + "{{if .FirstName}} First Name: {{.FirstName}}\n{{end}}" + "{{if .LastName}} Last Name: {{.LastName}}\n{{end}}" + "{{if .Position}} Position: {{.Position}}\n{{end}}" + "{{if .TrackingURL}} Tracking URL: {{.TrackingURL}}\n{{end}}" + "\nNow go send some phish!" t := models.Template{ Subject: "Default Email from Gophish", Text: text, } s.Template = t // Try to lookup the Template by name } else { // Get the Template requested by name s.Template, err = models.GetTemplateByName(s.Template.Name, ctx.Get(r, "user_id").(int64)) if err == gorm.ErrRecordNotFound { Logger.Printf("Error - Template %s does not exist", s.Template.Name) JSONResponse(w, models.Response{Success: false, Message: models.ErrTemplateNotFound.Error()}, http.StatusBadRequest) } else if err != nil { Logger.Println(err) JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } } // If a complete sending profile is provided use it if err := s.SMTP.Validate(); err != nil { // Otherwise get the SMTP requested by name s.SMTP, err = models.GetSMTPByName(s.SMTP.Name, ctx.Get(r, "user_id").(int64)) if err == gorm.ErrRecordNotFound { Logger.Printf("Error - Sending profile %s does not exist", s.SMTP.Name) JSONResponse(w, models.Response{Success: false, Message: models.ErrSMTPNotFound.Error()}, http.StatusBadRequest) } else if err != nil { Logger.Println(err) JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusBadRequest) return } } // Send the test email err = worker.SendTestEmail(s) if err != nil { JSONResponse(w, models.Response{Success: false, Message: err.Error()}, http.StatusInternalServerError) return } JSONResponse(w, models.Response{Success: true, Message: "Email Sent"}, http.StatusOK) return } // JSONResponse attempts to set the status code, c, and marshal the given interface, d, into a response that // is written to the given ResponseWriter. func JSONResponse(w http.ResponseWriter, d interface{}, c int) { dj, err := json.MarshalIndent(d, "", " ") if err != nil { http.Error(w, "Error creating JSON response", http.StatusInternalServerError) Logger.Println(err) } w.Header().Set("Content-Type", "application/json") w.WriteHeader(c) fmt.Fprintf(w, "%s", dj) } type cloneRequest struct { URL string `json:"url"` IncludeResources bool `json:"include_resources"` } func (cr *cloneRequest) validate() error { if cr.URL == "" { return errors.New("No URL Specified") } return nil } type cloneResponse struct { HTML string `json:"html"` } type emailResponse struct { Text string `json:"text"` HTML string `json:"html"` Subject string `json:"subject"` }