MM-9779: Incorporate a Token into the invitations system (#8604)

* Incorporate a Token into the invitations system

* Adding unit tests

* Fixing some api4 client tests

* Removing unnecesary hash validation

* Change the Hash concept on invitations with tokenId

* Not send invitation if it wasn't able to create the Token

* Fixing some naming problems

* Changing the hash query params received from the client side

* Removed unneded data param in the token usage

model/client.go

@@ -377,11 +377,11 @@ func (c *Client) AddUserToTeam(teamId string, userId string) (*Result, *AppError
 }
 
 // AddUserToTeamFromInvite adds a user to a team based off data provided in an invite link.
-// Either hash and dataToHash are required or inviteId is required.
-func (c *Client) AddUserToTeamFromInvite(hash, dataToHash, inviteId string) (*Result, *AppError) {
+// Either token and data are required or inviteId is required.
+func (c *Client) AddUserToTeamFromInvite(token, inviteData, inviteId string) (*Result, *AppError) {
 	data := make(map[string]string)
-	data["hash"] = hash
-	data["data"] = dataToHash
+	data["token"] = token
+	data["data"] = inviteData
 	data["invite_id"] = inviteId
 	if r, err := c.DoApiPost("/teams/add_user_to_team_from_invite", MapToJson(data)); err != nil {
 		return nil, err
@@ -438,7 +438,7 @@ func (c *Client) UpdateTeam(team *Team) (*Result, *AppError) {
 // User Routes Section
 
 // CreateUser creates a user in the system based on the provided user struct.
-func (c *Client) CreateUser(user *User, hash string) (*Result, *AppError) {
+func (c *Client) CreateUser(user *User, token string) (*Result, *AppError) {
 	if r, err := c.DoApiPost("/users/create", user.ToJson()); err != nil {
 		return nil, err
 	} else {
@@ -448,11 +448,11 @@ func (c *Client) CreateUser(user *User, hash string) (*Result, *AppError) {
 	}
 }
 
-// CreateUserWithInvite creates a user based on the provided user struct. Either the hash and
+// CreateUserWithInvite creates a user based on the provided user struct. Either the token and
 // data strings or the inviteId is required from the invite.
-func (c *Client) CreateUserWithInvite(user *User, hash string, data string, inviteId string) (*Result, *AppError) {
+func (c *Client) CreateUserWithInvite(user *User, token string, data string, inviteId string) (*Result, *AppError) {
 
-	url := "/users/create?d=" + url.QueryEscape(data) + "&h=" + url.QueryEscape(hash) + "&iid=" + url.QueryEscape(inviteId)
+	url := "/users/create?d=" + url.QueryEscape(data) + "&t=" + url.QueryEscape(token) + "&iid=" + url.QueryEscape(inviteId)
 
 	if r, err := c.DoApiPost(url, user.ToJson()); err != nil {
 		return nil, err
@@ -463,8 +463,8 @@ func (c *Client) CreateUserWithInvite(user *User, hash string, data string, invi
 	}
 }
 
-func (c *Client) CreateUserFromSignup(user *User, data string, hash string) (*Result, *AppError) {
-	if r, err := c.DoApiPost("/users/create?d="+url.QueryEscape(data)+"&h="+hash, user.ToJson()); err != nil {
+func (c *Client) CreateUserFromSignup(user *User, data string, token string) (*Result, *AppError) {
+	if r, err := c.DoApiPost("/users/create?d="+url.QueryEscape(data)+"&t="+token, user.ToJson()); err != nil {
 		return nil, err
 	} else {
 		defer closeBody(r)

model/client4.go

@@ -530,13 +530,13 @@ func (c *Client4) CreateUser(user *User) (*User, *Response) {
 	}
 }
 
-// CreateUserWithHash creates a user in the system based on the provided user struct and hash created.
-func (c *Client4) CreateUserWithHash(user *User, hash, data string) (*User, *Response) {
+// CreateUserWithToken creates a user in the system based on the provided tokenId.
+func (c *Client4) CreateUserWithToken(user *User, tokenId string) (*User, *Response) {
 	var query string
-	if hash != "" && data != "" {
-		query = fmt.Sprintf("?d=%v&h=%v", url.QueryEscape(data), hash)
+	if tokenId != "" {
+		query = fmt.Sprintf("?t=%v", tokenId)
 	} else {
-		err := NewAppError("MissingHashOrData", "api.user.create_user.missing_hash_or_data.app_error", nil, "", http.StatusBadRequest)
+		err := NewAppError("MissingHashOrData", "api.user.create_user.missing_token.app_error", nil, "", http.StatusBadRequest)
 		return nil, &Response{StatusCode: err.StatusCode, Error: err}
 	}
 	if r, err := c.DoApiPost(c.GetUsersRoute()+query, user.ToJson()); err != nil {
@@ -1340,16 +1340,16 @@ func (c *Client4) AddTeamMember(teamId, userId string) (*TeamMember, *Response)
 }
 
 // AddTeamMemberFromInvite adds a user to a team and return a team member using an invite id
-// or an invite hash/data pair.
-func (c *Client4) AddTeamMemberFromInvite(hash, dataToHash, inviteId string) (*TeamMember, *Response) {
+// or an invite token/data pair.
+func (c *Client4) AddTeamMemberFromInvite(token, inviteId string) (*TeamMember, *Response) {
 	var query string
 
 	if inviteId != "" {
 		query += fmt.Sprintf("?invite_id=%v", inviteId)
 	}
 
-	if hash != "" && dataToHash != "" {
-		query += fmt.Sprintf("?hash=%v&data=%v", hash, dataToHash)
+	if token != "" {
+		query += fmt.Sprintf("?token=%v", token)
 	}
 
 	if r, err := c.DoApiPost(c.GetTeamsRoute()+"/members/invite"+query, ""); err != nil {