Merge pull request #82 from documize/license-key

License key

README.md

@@ -8,7 +8,7 @@ The mission is to bring software dev inspired features (refactoring, testing, li
 
 ## Latest version
 
-v0.42.0
+v0.43.0
 
 ## OS Support
 

app/app/components/global-settings.js

@@ -16,14 +16,14 @@ const {
 } = Ember;
 
 export default Ember.Component.extend({
-	SMTPHostEmptyError: computed.empty('model.global.host'),
-	SMTPPortEmptyError: computed.empty('model.global.port'),
-	SMTPSenderEmptyError: computed.empty('model.global.sender'),
-	SMTPUserIdEmptyError: computed.empty('model.global.userid'),
-	SMTPPasswordEmptyError: computed.empty('model.global.password'),
+	SMTPHostEmptyError: computed.empty('model.smtp.host'),
+	SMTPPortEmptyError: computed.empty('model.smtp.port'),
+	SMTPSenderEmptyError: computed.empty('model.smtp.sender'),
+	SMTPUserIdEmptyError: computed.empty('model.smtp.userid'),
+	SMTPPasswordEmptyError: computed.empty('model.smtp.password'),
 
 	actions: {
-		save() {
+		saveSMTP() {
 			if (this.get('SMTPHostEmptyError')) {
 				$("#smtp-host").focus();
 				return;
@@ -45,7 +45,12 @@ export default Ember.Component.extend({
 				return;
 			}
 
-			this.get('save')().then(() => {
+			this.get('saveSMTP')().then(() => {
+			});
+		},
+
+		saveLicense() {
+			this.get('saveLicense')().then(() => {
 			});
 		}
 	}

app/app/components/layout/zone-content.js

@@ -10,6 +10,18 @@
 // https://documize.com
 
 import Ember from 'ember';
+import NotifierMixin from '../../mixins/notifier';
 
-export default Ember.Component.extend({
+const {
+	inject: { service }
+} = Ember;
+
+export default Ember.Component.extend(NotifierMixin, {
+    appMeta :service(),
+
+    didRender() {
+        if (this.get('appMeta').invalidLicense()) {
+            this.showNotification(`!! Expired or invalid license !!`);
+        }
+    }
 });

app/app/pods/customize/global/controller.js

@@ -16,9 +16,17 @@ export default Ember.Controller.extend(NotifierMixin, {
 	global: Ember.inject.service(),
 
 	actions: {
-		save() {
+		saveSMTP() {
 			if(this.get('session.isGlobalAdmin')) {
-				return this.get('global').saveConfig(this.model.global).then(() => {
+				return this.get('global').saveSMTPConfig(this.model.smtp).then(() => {
+					this.showNotification('Saved');
+				});
+			}
+		},
+
+		saveLicense() {
+			if(this.get('session.isGlobalAdmin')) {
+				return this.get('global').saveLicense(this.model.license).then(() => {
 					this.showNotification('Saved');
 				});
 			}

app/app/pods/customize/global/route.js

@@ -26,7 +26,8 @@ export default Ember.Route.extend(AuthenticatedRouteMixin, {
 
 	model() {
 		return RSVP.hash({
-			global: this.get('global').getConfig()
+			smtp: this.get('global').getSMTPConfig(),
+			license: this.get('global').getLicense()
 		});
 	},
 

app/app/pods/customize/global/template.hbs

@@ -1 +1 @@
-{{global-settings model=model save=(action 'save')}}
+{{global-settings model=model saveSMTP=(action 'saveSMTP') saveLicense=(action 'saveLicense')}}

app/app/services/app-meta.js

@@ -27,9 +27,15 @@ export default Ember.Service.extend({
 	title: '',
 	version: '',
 	message: '',
+	edition: 'Community',
+	valid: true,
 	allowAnonymousAccess: false,
 	setupMode: false,
 
+	invalidLicense() {
+		return this.valid === false;
+	},
+
 	getBaseUrl(endpoint) {
 		return [this.get('endpoint'), endpoint].join('/');
 	},

app/app/services/global.js

@@ -21,10 +21,10 @@ export default Ember.Service.extend({
 	appMeta: service(),
 	store: service(),
 
-	// Returns global configuration.
-	getConfig() {
+	// Returns SMTP configuration.
+	getSMTPConfig() {
 		if(this.get('sessionService.isGlobalAdmin')) {
-			return this.get('ajax').request(`global`, {
+			return this.get('ajax').request(`global/smtp`, {
 				method: 'GET'
 			}).then((response) => {
 				return response;
@@ -32,13 +32,36 @@ export default Ember.Service.extend({
 		}
 	},
 
-	// Saves global configuration.
-	saveConfig(config) {
+	// Saves SMTP configuration.
+	saveSMTPConfig(config) {
 		if(this.get('sessionService.isGlobalAdmin')) {
-			return this.get('ajax').request(`global`, {
+			return this.get('ajax').request(`global/smtp`, {
 				method: 'PUT',
 				data: JSON.stringify(config)
 			});
 		}
+	},
+
+	// Returns product license.
+	getLicense() {
+		if(this.get('sessionService.isGlobalAdmin')) {
+			return this.get('ajax').request(`global/license`, {
+				method: 'GET',
+				dataType: "text"
+			}).then((response) => {
+				return response;
+			});
+		}
+	},
+
+	// Saves product license.
+	saveLicense(license) {
+		if(this.get('sessionService.isGlobalAdmin')) {
+			return this.get('ajax').request(`global/license`, {
+				method: 'PUT',
+				dataType: 'text',
+				data: license
+			});
+		}
 	}
 });

app/app/templates/components/global-settings.hbs

@@ -1,32 +1,48 @@
 <form class="form-bordered">
     <div class="form-header">
-        <div class="title">Global Settings</div>
-        <div class="tip">Settings applicable for all tenants</div>
+        <div class="title">Mail Server Settings</div>
+        <div class="tip">Used for sending email notifications</div>
     </div>
     <div class="input-control">
         <label>SMTP Host</label>
         <div class="tip">e.g. my.host.com</div>
-        {{focus-input id="smtp-host" type="text" value=model.global.host class=(if SMTPHostEmptyError 'error')}}
+        {{focus-input id="smtp-host" type="text" value=model.smtp.host class=(if SMTPHostEmptyError 'error')}}
     </div>
 	<div class="input-control">
         <label>SMTP Port</label>
         <div class="tip">e.g. 587</div>
-        {{input id="smtp-port" type="text" value=model.global.port class=(if SMTPPortEmptyError 'error')}}
+        {{input id="smtp-port" type="text" value=model.smtp.port class=(if SMTPPortEmptyError 'error')}}
     </div>
 	<div class="input-control">
         <label>SMTP Sender</label>
         <div class="tip">e.g. noreply@documize.com</div>
-        {{input id="smtp-sender" type="text" value=model.global.sender class=(if SMTPSenderEmptyError 'error')}}
+        {{input id="smtp-sender" type="text" value=model.smtp.sender class=(if SMTPSenderEmptyError 'error')}}
     </div>
 	<div class="input-control">
         <label>SMTP User ID</label>
         <div class="tip">Your credentials</div>
-        {{input id="smtp-userid" type="text" value=model.global.userid class=(if SMTPUserIdEmptyError 'error')}}
+        {{input id="smtp-userid" type="text" value=model.smtp.userid class=(if SMTPUserIdEmptyError 'error')}}
     </div>
 	<div class="input-control">
         <label>SMTP Password</label>
         <div class="tip">Your credentials</div>
-        {{input id="smtp-password" type="text" value=model.global.password class=(if SMTPPasswordEmptyError 'error')}}
+        {{input id="smtp-password" type="text" value=model.smtp.password class=(if SMTPPasswordEmptyError 'error')}}
     </div>
-    <div class="regular-button button-blue" {{ action 'save' }}>save</div>
+    <div class="regular-button button-blue" {{ action 'saveSMTP' }}>save</div>
+</form>
+
+<div class="margin-top-50">
+</div>
+
+<form class="form-bordered">
+    <div class="form-header">
+        <div class="title">Optional Edition License</div>
+        <div class="tip">Only applies to Enterprise Edition</div>
+    </div>
+    <div class="input-control">
+        <label>License</label>
+        <div class="tip">XML format accepted</div>
+        {{textarea value=model.license rows="15"}}
+    </div>
+    <div class="regular-button button-blue" {{ action 'saveLicense' }}>save</div>
 </form>

app/app/utils/net.js

@@ -63,9 +63,22 @@ function isAjaxNotFoundError(reason) {
 	return false;
 }
 
+function isInvalidLicenseError(reason) {
+	if (typeof reason === "undefined" || typeof reason.errors === "undefined") {
+		return false;
+	}
+
+	if (reason.errors.length > 0 && reason.errors[0].status === "402") {
+		return true;
+	}
+
+	return false;
+}
+
 export default {
 	getSubdomain,
 	getAppUrl,
 	isAjaxAccessError,
 	isAjaxNotFoundError,
+	isInvalidLicenseError,
 };

app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "documize",
-  "version": "0.42.0",
+  "version": "0.43.0",
   "description": "The Document IDE",
   "private": true,
   "repository": "",

cmd/documize-community/documize.go

@@ -18,8 +18,7 @@ import (
 	"github.com/documize/community/core/section"
 
 	_ "github.com/documize/community/embed" // the compressed front-end code and static data
-
-	_ "github.com/go-sql-driver/mysql" // the mysql driver is required behind the scenes
+	_ "github.com/go-sql-driver/mysql"      // the mysql driver is required behind the scenes
 )
 
 func main() {

core/api/endpoint/global_endpoint.go

@@ -16,13 +16,15 @@ import (
 	"io/ioutil"
 	"net/http"
 
+	"encoding/xml"
+	"fmt"
 	"github.com/documize/community/core/api/request"
 	"github.com/documize/community/core/api/util"
 )
 
-// GetGlobalConfig returns installation-wide settings
-func GetGlobalConfig(w http.ResponseWriter, r *http.Request) {
-	method := "GetGlobalConfig"
+// GetSMTPConfig returns installation-wide SMTP settings
+func GetSMTPConfig(w http.ResponseWriter, r *http.Request) {
+	method := "GetSMTPConfig"
 	p := request.GetPersister(r)
 
 	if !p.Context.Global {
@@ -39,16 +41,16 @@ func GetGlobalConfig(w http.ResponseWriter, r *http.Request) {
 
 	json, err := json.Marshal(y)
 	if err != nil {
-		writeJSONMarshalError(w, method, "GetGlobalConfig", err)
+		writeJSONMarshalError(w, method, "SMTP", err)
 		return
 	}
 
 	util.WriteSuccessBytes(w, json)
 }
 
-// SaveGlobalConfig persists global configuration.
-func SaveGlobalConfig(w http.ResponseWriter, r *http.Request) {
-	method := "SaveGlobalConfig"
+// SaveSMTPConfig persists global SMTP configuration.
+func SaveSMTPConfig(w http.ResponseWriter, r *http.Request) {
+	method := "SaveSMTPConfig"
 	p := request.GetPersister(r)
 
 	if !p.Context.Global {
@@ -79,3 +81,98 @@ func SaveGlobalConfig(w http.ResponseWriter, r *http.Request) {
 
 	util.WriteSuccessEmptyJSON(w)
 }
+
+// GetLicense returns product license
+func GetLicense(w http.ResponseWriter, r *http.Request) {
+	// method := "GetLicense"
+	p := request.GetPersister(r)
+
+	if !p.Context.Global {
+		writeForbiddenError(w)
+		return
+	}
+
+	// SMTP settings
+	config := request.ConfigString("EDITION-LICENSE", "")
+	if len(config) == 0 {
+		config = "{}"
+	}
+
+	x := &licenseXML{Key: "", Signature: ""}
+	lj := licenseJSON{}
+
+	err := json.Unmarshal([]byte(config), &lj)
+	if err == nil {
+		x.Key = lj.Key
+		x.Signature = lj.Signature
+	} else {
+		fmt.Println(err)
+	}
+
+	output, err := xml.Marshal(x)
+	if err != nil {
+		fmt.Printf("error: %v\n", err)
+	}
+
+	w.WriteHeader(http.StatusOK)
+	w.Write(output)
+}
+
+// SaveLicense persists product license
+func SaveLicense(w http.ResponseWriter, r *http.Request) {
+	method := "SaveLicense"
+	p := request.GetPersister(r)
+
+	if !p.Context.Global {
+		writeForbiddenError(w)
+		return
+	}
+
+	defer r.Body.Close()
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		writePayloadError(w, method, err)
+		return
+	}
+
+	var config string
+	config = string(body)
+	lj := licenseJSON{}
+	x := licenseXML{Key: "", Signature: ""}
+
+	err = xml.Unmarshal([]byte(config), &x)
+	if err == nil {
+		lj.Key = x.Key
+		lj.Signature = x.Signature
+	} else {
+		fmt.Println(err)
+	}
+
+	j, err := json.Marshal(lj)
+	js := "{}"
+	if err == nil {
+		js = string(j)
+	}
+
+	request.ConfigSet("EDITION-LICENSE", js)
+
+	util.WriteSuccessEmptyJSON(w)
+}
+
+type licenseXML struct {
+	XMLName   xml.Name `xml:"DocumizeLicense"`
+	Key       string
+	Signature string
+}
+type licenseJSON struct {
+	Key       string `json:"key"`
+	Signature string `json:"signature"`
+}
+
+/*
+<DocumizeLicense>
+  <Key>some key</Key>
+  <Signature>some signature</Signature>
+</DocumizeLicense>
+*/

core/api/endpoint/init.go

@@ -41,6 +41,11 @@ func writeTransactionError(w http.ResponseWriter, method string, err error) {
 	log.Error(fmt.Sprintf("Unable to get database transaction  for method %s", method), err)
 }
 
+// IsInvalidLicense returns true if license is invalid
+func IsInvalidLicense() bool {
+	return Product.License.Valid == false
+}
+
 /*
 func WriteAddRecordError(w http.ResponseWriter, method string, err error) {
 	w.Header().Set("Content-Type", "application/json; charset=utf-8")

core/api/endpoint/label_endpoint.go

@@ -32,6 +32,11 @@ import (
 
 // AddFolder creates a new folder.
 func AddFolder(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "AddFolder"
 	p := request.GetPersister(r)
 
@@ -263,6 +268,11 @@ func UpdateFolder(w http.ResponseWriter, r *http.Request) {
 
 // RemoveFolder moves documents to another folder before deleting it
 func RemoveFolder(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "RemoveFolder"
 	p := request.GetPersister(r)
 

core/api/endpoint/meta_endpoint.go

@@ -18,7 +18,6 @@ import (
 	"net/http"
 	"text/template"
 
-	"github.com/documize/community/core"
 	"github.com/documize/community/core/api/entity"
 	"github.com/documize/community/core/api/request"
 	"github.com/documize/community/core/log"
@@ -41,13 +40,13 @@ func GetMeta(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	product := core.Product()
-
 	data.OrgID = org.RefID
 	data.Title = org.Title
 	data.Message = org.Message
 	data.AllowAnonymousAccess = org.AllowAnonymousAccess
-	data.Version = product.Version
+	data.Version = Product.Version
+	data.Edition = Product.License.Edition
+	data.Valid = Product.License.Valid
 
 	json, err := json.Marshal(data)
 

core/api/endpoint/page_endpoint.go

@@ -33,6 +33,11 @@ import (
 
 // AddDocumentPage inserts new section into document.
 func AddDocumentPage(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "AddDocumentPage"
 	p := request.GetPersister(r)
 
@@ -286,6 +291,11 @@ func GetDocumentPagesBatch(w http.ResponseWriter, r *http.Request) {
 
 // DeleteDocumentPage deletes a page.
 func DeleteDocumentPage(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "DeleteDocumentPage"
 	p := request.GetPersister(r)
 
@@ -354,6 +364,11 @@ func DeleteDocumentPage(w http.ResponseWriter, r *http.Request) {
 
 // DeleteDocumentPages batch deletes pages.
 func DeleteDocumentPages(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "DeleteDocumentPages"
 	p := request.GetPersister(r)
 
@@ -433,6 +448,11 @@ func DeleteDocumentPages(w http.ResponseWriter, r *http.Request) {
 // that this is a new revision. If the page is the first in a document
 // then the corresponding document title will also be changed.
 func UpdateDocumentPage(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "UpdateDocumentPage"
 	p := request.GetPersister(r)
 	params := mux.Vars(r)
@@ -540,6 +560,11 @@ func UpdateDocumentPage(w http.ResponseWriter, r *http.Request) {
 
 // ChangeDocumentPageSequence will swap page sequence for a given number of pages.
 func ChangeDocumentPageSequence(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "ChangeDocumentPageSequence"
 	p := request.GetPersister(r)
 
@@ -598,6 +623,11 @@ func ChangeDocumentPageSequence(w http.ResponseWriter, r *http.Request) {
 
 // ChangeDocumentPageLevel handles page indent/outdent changes.
 func ChangeDocumentPageLevel(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "ChangeDocumentPageLevel"
 	p := request.GetPersister(r)
 
@@ -740,6 +770,11 @@ func GetPageMoveCopyTargets(w http.ResponseWriter, r *http.Request) {
 
 // GetDocumentRevisions returns all changes for a document.
 func GetDocumentRevisions(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "GetDocumentPageRevisions"
 	p := request.GetPersister(r)
 
@@ -770,6 +805,11 @@ func GetDocumentRevisions(w http.ResponseWriter, r *http.Request) {
 
 // GetDocumentPageRevisions returns all changes for a given page.
 func GetDocumentPageRevisions(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "GetDocumentPageRevisions"
 	p := request.GetPersister(r)
 
@@ -807,6 +847,11 @@ func GetDocumentPageRevisions(w http.ResponseWriter, r *http.Request) {
 
 // GetDocumentPageDiff returns HTML diff between two revisions of a given page.
 func GetDocumentPageDiff(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "GetDocumentPageDiff"
 	p := request.GetPersister(r)
 

core/api/endpoint/pin_endpoint.go

@@ -28,6 +28,11 @@ import (
 
 // AddPin saves pinned item.
 func AddPin(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "AddPin"
 	p := request.GetPersister(r)
 	params := mux.Vars(r)
@@ -131,6 +136,11 @@ func GetUserPins(w http.ResponseWriter, r *http.Request) {
 
 // DeleteUserPin removes saved user pin.
 func DeleteUserPin(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "DeleteUserPin"
 	p := request.GetPersister(r)
 	params := mux.Vars(r)
@@ -175,6 +185,11 @@ func DeleteUserPin(w http.ResponseWriter, r *http.Request) {
 
 // UpdatePinSequence records order of pinned items.
 func UpdatePinSequence(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "UpdatePinSequence"
 	p := request.GetPersister(r)
 	params := mux.Vars(r)

core/api/endpoint/router.go

@@ -229,8 +229,10 @@ func init() {
 	log.IfErr(Add(RoutePrefixPrivate, "documents/{documentID}/links", []string{"GET", "OPTIONS"}, nil, GetDocumentLinks))
 
 	// Global installation-wide config
-	log.IfErr(Add(RoutePrefixPrivate, "global", []string{"GET", "OPTIONS"}, nil, GetGlobalConfig))
-	log.IfErr(Add(RoutePrefixPrivate, "global", []string{"PUT", "OPTIONS"}, nil, SaveGlobalConfig))
+	log.IfErr(Add(RoutePrefixPrivate, "global/smtp", []string{"GET", "OPTIONS"}, nil, GetSMTPConfig))
+	log.IfErr(Add(RoutePrefixPrivate, "global/smtp", []string{"PUT", "OPTIONS"}, nil, SaveSMTPConfig))
+	log.IfErr(Add(RoutePrefixPrivate, "global/license", []string{"GET", "OPTIONS"}, nil, GetLicense))
+	log.IfErr(Add(RoutePrefixPrivate, "global/license", []string{"PUT", "OPTIONS"}, nil, SaveLicense))
 
 	// Pinned items
 	log.IfErr(Add(RoutePrefixPrivate, "pin/{userID}", []string{"POST", "OPTIONS"}, nil, AddPin))

core/api/endpoint/sections_endpoint.go

@@ -185,6 +185,11 @@ func RefreshSections(w http.ResponseWriter, r *http.Request) {
 
 // AddBlock inserts new reusable content block into database.
 func AddBlock(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "AddBlock"
 	p := request.GetPersister(r)
 

core/api/endpoint/server.go

@@ -33,11 +33,21 @@ var port, certFile, keyFile, forcePort2SSL string
 var Product core.ProdInfo
 
 func init() {
-	Product = core.Product()
+	Product.Major = "0"
+	Product.Minor = "43"
+	Product.Patch = "0"
+	Product.Version = fmt.Sprintf("%s.%s.%s", Product.Major, Product.Minor, Product.Patch)
+	Product.Edition = "Community"
+	Product.Title = fmt.Sprintf("%s Edition", Product.Edition)
+	Product.License = core.License{}
+	Product.License.Valid = true
+
 	environment.GetString(&certFile, "cert", false, "the cert.pem file used for https", nil)
 	environment.GetString(&keyFile, "key", false, "the key.pem file used for https", nil)
 	environment.GetString(&port, "port", false, "http/https port number", nil)
 	environment.GetString(&forcePort2SSL, "forcesslport", false, "redirect given http port number to TLS", nil)
+
+	log.Info("Server.Init complete")
 }
 
 var testHost string // used during automated testing

core/api/endpoint/templates_endpoint.go

@@ -36,6 +36,11 @@ import (
 
 // SaveAsTemplate saves existing document as a template.
 func SaveAsTemplate(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "SaveAsTemplate"
 	p := request.GetPersister(r)
 

core/api/endpoint/user_endpoint.go

@@ -33,6 +33,11 @@ import (
 
 // AddUser is the endpoint that enables an administrator to add a new user for their orgaisation.
 func AddUser(w http.ResponseWriter, r *http.Request) {
+	if IsInvalidLicense() {
+		util.WriteBadLicense(w)
+		return
+	}
+
 	method := "AddUser"
 	p := request.GetPersister(r)
 

core/api/entity/objects.go

@@ -341,6 +341,8 @@ type SiteMeta struct {
 	URL                  string `json:"url"`
 	AllowAnonymousAccess bool   `json:"allowAnonymousAccess"`
 	Version              string `json:"version"`
+	Edition              string `json:"edition"`
+	Valid                bool   `json:"valid"`
 }
 
 // Template is used to create a new document.

core/api/util/writeHTTP.go

@@ -164,3 +164,17 @@ func WriteJSON(w http.ResponseWriter, v interface{}) {
 	_, err = w.Write(j)
 	log.IfErr(err)
 }
+
+// WriteBadLicense writes 402 when license is invalid
+func WriteBadLicense(w http.ResponseWriter) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	w.WriteHeader(http.StatusPaymentRequired)
+	var e struct {
+		Reason string
+	}
+	e.Reason = "invalid or expired Documize license"
+
+	j, _ := json.Marshal(e)
+	_, err := w.Write(j)
+	log.IfErr(err)
+}

core/product.go

@@ -11,7 +11,10 @@
 
 package core
 
-import "fmt"
+import (
+	"fmt"
+	"time"
+)
 
 // ProdInfo describes a product
 type ProdInfo struct {
@@ -21,16 +24,42 @@ type ProdInfo struct {
 	Major   string
 	Minor   string
 	Patch   string
+	License License
 }
 
-// Product returns product edition details
-func Product() (p ProdInfo) {
-	p.Major = "0"
-	p.Minor = "42"
-	p.Patch = "0"
-	p.Version = fmt.Sprintf("%s.%s.%s", p.Major, p.Minor, p.Patch)
-	p.Edition = "Community"
-	p.Title = fmt.Sprintf("%s Edition", p.Edition)
-
-	return p
+// License holds details of product license.
+type License struct {
+	Name    string    `json:"name"`
+	Email   string    `json:"email"`
+	Edition string    `json:"edition"`
+	Start   time.Time `json:"start"`
+	End     time.Time `json:"end"`
+	Seats   int       `json:"seats"`
+	Trial   bool      `json:"trial"`
+	Valid   bool
+}
+
+// IsEmpty determines if we have a license.
+func (l *License) IsEmpty() bool {
+	return l.Seats == 0 && len(l.Name) == 0 && len(l.Email) == 0 && l.Start.Year() == 1 && l.End.Year() == 1
+}
+
+// Status returns formatted message stating if license is empty/populated and invalid/valid.
+func (l *License) Status() string {
+	lp := "populated"
+	if l.IsEmpty() {
+		lp = "empty"
+	}
+	lv := "invalid"
+	if l.Valid {
+		lv = "valid"
+	}
+
+	return fmt.Sprintf("License is %s and %s", lp, lv)
+}
+
+// LicenseData holds encrypted data and is unpacked into License.
+type LicenseData struct {
+	Key       string `json:"key"`
+	Signature string `json:"signature"`
 }