smtp + email confirmation (#285)

* add smtp configuration

* add email confirm + reset templates

* add email sender to testrig

* flesh out the email sender interface

* go fmt

* golint

* update from field with more clarity

* tidy up the email formatting

* fix tests

* add email sender to processor

* tidy client api processing a bit

* further tidying in fromClientAPI

* pin new account to user

* send msg to processor on new account creation

* generate confirm email uri

* remove emailer from account processor again

* add processCreateAccountFromClientAPI

* move emailer accountprocessor => userprocessor

* add email sender to user processor

* SendConfirmEmail function

* add noop email sender

* use noop email sender in tests

* only assemble message if callback is not nil

* use noop email sender if no smtp host is defined

* minify email html before sending

* fix wrong email address

* email confirm test

* fmt

* serve web hndler

* add email confirm handler

* init test log properly on testrig

* log emails that *would* have been sent

* go fmt ./...

* unexport confirm email handler

* updatedAt

* test confirm email function

* don't allow tokens older than 7 days

* change error message a bit

* add basic smtp docs

* add a few more snippets

* typo

* add email sender to outbox tests

* don't use dutch wikipedia link

* don't minify email html

1 files changed, 10 insertions, 3 deletions

diff --git a/internal/processing/user/user_test.go b/internal/processing/user/user_test.go
index 4f18e03c2..5c3cd7597 100644
--- a/internal/processing/user/user_test.go
+++ b/internal/processing/user/user_test.go
@@ -22,6 +22,7 @@ import (
 	"github.com/stretchr/testify/suite"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/email"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/processing/user"
 	"github.com/superseriousbusiness/gotosocial/testrig"
@@ -29,11 +30,14 @@ import (
 
 type UserStandardTestSuite struct {
 	suite.Suite
-	config *config.Config
-	db     db.DB
+	config      *config.Config
+	emailSender email.Sender
+	db          db.DB
 
 	testUsers map[string]*gtsmodel.User
 
+	sentEmails map[string]string
+
 	user user.Processor
 }
 
@@ -41,8 +45,11 @@ func (suite *UserStandardTestSuite) SetupTest() {
 	testrig.InitTestLog()
 	suite.config = testrig.NewTestConfig()
 	suite.db = testrig.NewTestDB()
+	suite.sentEmails = make(map[string]string)
+	suite.emailSender = testrig.NewEmailSender("../../../web/template/", suite.sentEmails)
 	suite.testUsers = testrig.NewTestUsers()
-	suite.user = user.New(suite.db, suite.config)
+
+	suite.user = user.New(suite.db, suite.emailSender, suite.config)
 
 	testrig.StandardDBSetup(suite.db, nil)
 }