136 lines
3.7 KiB
Go
136 lines
3.7 KiB
Go
// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package web
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import (
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"github.com/abcum/fibre"
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"github.com/abcum/surreal/cnf"
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"github.com/abcum/surreal/db"
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"github.com/abcum/surreal/kvs"
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"github.com/abcum/surreal/mem"
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"github.com/abcum/surreal/sql"
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"github.com/abcum/surreal/util/data"
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)
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func signup(c *fibre.Context) (err error) {
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var vars map[string]interface{}
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c.Bind(&vars)
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n, nok := vars[varKeyNs].(string)
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d, dok := vars[varKeyDb].(string)
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s, sok := vars[varKeySc].(string)
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// Ensure that the IP address of the
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// user signing up is available so that
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// it can be used within signup queries.
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vars[varKeyIp] = c.IP().String()
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// Ensure that the website origin of the
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// user signing up is available so that
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// it can be used within signup queries.
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vars[varKeyOrigin] = c.Origin()
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// If we have a namespace, database, and
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// scope defined, then we are logging in
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// to the scope level.
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if nok && len(n) > 0 && dok && len(d) > 0 && sok && len(s) > 0 {
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var ok bool
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var txn kvs.TX
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var res []*db.Response
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var exp *sql.SubExpression
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var scp *sql.DefineScopeStatement
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// Start a new read transaction.
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if txn, err = db.Begin(false); err != nil {
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return fibre.NewHTTPError(500)
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}
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// Ensure the transaction closes.
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defer txn.Cancel()
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// Specify fields to show in logs.
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f := map[string]interface{}{"ns": n, "db": d, "sc": s}
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// Get the specified signin scope.
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if scp, err = mem.NewWithTX(txn).GetSC(n, d, s); err != nil {
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m := "Authentication scope does not exist"
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return fibre.NewHTTPError(403).WithFields(f).WithMessage(m)
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}
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// Check that the scope allows signup.
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if exp, ok = scp.Signup.(*sql.SubExpression); !ok {
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m := "Authentication scope does not allow signup"
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return fibre.NewHTTPError(403).WithFields(f).WithMessage(m)
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}
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// Process the scope signup statement.
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c.Set(varKeyAuth, &cnf.Auth{Kind: cnf.AuthDB})
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query := &sql.Query{Statements: []sql.Statement{exp.Expr}}
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// If the query fails then return a 501 error.
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if res, err = db.Process(c, query, vars); err != nil {
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m := "Authentication scope signup was unsuccessful: Query failed"
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return fibre.NewHTTPError(501).WithFields(f).WithMessage(m)
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}
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// If the response is not 1 record then return a 403 error.
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if len(res) != 1 {
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m := "Authentication scope signup was unsuccessful: Query failed"
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return fibre.NewHTTPError(403).WithFields(f).WithMessage(m)
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}
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// If the response has an error set then return a 403 error.
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if res[0].Status != "OK" {
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m := "Authentication scope signin was unsuccessful: " + res[0].Detail
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return fibre.NewHTTPError(403).WithFields(f).WithMessage(m)
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}
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// If the response has no record set then return a 403 error.
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if len(res[0].Result) != 1 {
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m := "Authentication scope signup was unsuccessful: No record created"
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return fibre.NewHTTPError(403).WithFields(f).WithMessage(m)
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}
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// If the query does not return an id field then return a 403 error.
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if _, ok = data.Consume(res[0].Result[0]).Get("id").Data().(*sql.Thing); !ok {
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m := "Authentication scope signup was unsuccessful: No id field found"
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return fibre.NewHTTPError(403).WithFields(f).WithMessage(m)
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}
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return c.Code(204)
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}
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return fibre.NewHTTPError(403)
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}
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