auth
auth/token_postgres.go
Implement a GetProfileHandler. Create a Handler that will allow us to return details about a Profile. Right now, you only get a single Profile at a time, which is problematic, because it will lead to N+1 requests. But we have no reason to retrieve anyone _else_'s Profile, so it's not like you need to be fetching any Profile other than your own. Also, this requires a Token issued for the Profile in question, which means you're limited to one Profile per request, anyways. Future avenues for exploration may be an admin Token granting access to many Profiles, the unspecified service flow for accessing the API, or simply accepting that name, join date, last active date, and ID are "public information".
1 package auth
3 import (
4 "code.secondbit.org/uuid.hg"
6 "github.com/lib/pq"
7 "github.com/secondbit/pan"
8 )
10 func (t Token) GetSQLTableName() string {
11 return "tokens"
12 }
14 func (p *postgres) getTokenSQL(token string, refresh bool) *pan.Query {
15 var t Token
16 fields, _ := pan.GetFields(t)
17 query := pan.New(pan.POSTGRES, "SELECT "+pan.QueryList(fields)+" FROM "+pan.GetTableName(t))
18 query.IncludeWhere()
19 if !refresh {
20 query.Include(pan.GetUnquotedColumn(t, "AccessToken")+" = ?", token)
21 } else {
22 query.Include(pan.GetUnquotedColumn(t, "RefreshToken")+" = ?", token)
23 }
24 return query.FlushExpressions(" ")
25 }
27 func (p *postgres) getToken(token string, refresh bool) (Token, error) {
28 query := p.getTokenSQL(token, refresh)
29 rows, err := p.db.Query(query.String(), query.Args...)
30 if err != nil {
31 return Token{}, err
32 }
33 var t Token
34 var found bool
35 for rows.Next() {
36 err := pan.Unmarshal(rows, &t)
37 if err != nil {
38 return t, err
39 }
40 found = true
41 }
42 if err = rows.Err(); err != nil {
43 return t, err
44 }
45 if !found {
46 return t, ErrTokenNotFound
47 }
48 return t, nil
49 }
51 func (p *postgres) saveTokenSQL(token Token) *pan.Query {
52 fields, values := pan.GetFields(token)
53 query := pan.New(pan.POSTGRES, "INSERT INTO "+pan.GetTableName(token))
54 query.Include("(" + pan.QueryList(fields) + ")")
55 query.Include("VALUES")
56 query.Include("("+pan.VariableList(len(values))+")", values...)
57 return query.FlushExpressions(" ")
58 }
60 func (p *postgres) saveToken(token Token) error {
61 query := p.saveTokenSQL(token)
62 _, err := p.db.Exec(query.String(), query.Args...)
63 if e, ok := err.(*pq.Error); ok && e.Constraint == "tokens_pkey" {
64 err = ErrTokenAlreadyExists
65 }
66 if err != nil || len(token.Scopes) < 1 {
67 return err
68 }
69 return err
70 }
72 func (p *postgres) revokeTokenSQL(token string, refresh bool) *pan.Query {
73 var t Token
74 query := pan.New(pan.POSTGRES, "UPDATE "+pan.GetTableName(t)+" SET ")
75 query.Include(pan.GetUnquotedColumn(t, "Revoked")+" = ?", true)
76 query.IncludeWhere()
77 if !refresh {
78 query.Include(pan.GetUnquotedColumn(t, "AccessToken")+" = ?", token)
79 } else {
80 query.Include(pan.GetUnquotedColumn(t, "RefreshToken")+" = ?", token)
81 }
82 return query.FlushExpressions(" ")
83 }
85 func (p *postgres) revokeToken(token string, refresh bool) error {
86 query := p.revokeTokenSQL(token, refresh)
87 res, err := p.db.Exec(query.String(), query.Args...)
88 if err != nil {
89 return err
90 }
91 rows, err := res.RowsAffected()
92 if err != nil {
93 return err
94 }
95 if rows == 0 {
96 return ErrTokenNotFound
97 }
98 return nil
99 }
101 func (p *postgres) revokeTokensByProfileIDSQL(profileID uuid.ID) *pan.Query {
102 var t Token
103 query := pan.New(pan.POSTGRES, "UPDATE "+pan.GetTableName(t)+" SET ")
104 query.Include(pan.GetUnquotedColumn(t, "Revoked")+" = ?", true)
105 query.IncludeWhere()
106 query.Include(pan.GetUnquotedColumn(t, "ProfileID")+" = ?", profileID)
107 return query.FlushExpressions(" ")
108 }
110 func (p *postgres) revokeTokensByProfileID(profileID uuid.ID) error {
111 query := p.revokeTokensByProfileIDSQL(profileID)
112 res, err := p.db.Exec(query.String(), query.Args...)
113 if err != nil {
114 return err
115 }
116 rows, err := res.RowsAffected()
117 if err != nil {
118 return err
119 }
120 if rows == 0 {
121 return ErrProfileNotFound
122 }
123 return nil
124 }
126 func (p *postgres) revokeTokensByClientIDSQL(clientID uuid.ID) *pan.Query {
127 var t Token
128 query := pan.New(pan.POSTGRES, "UPDATE "+pan.GetTableName(t)+" SET ")
129 query.Include(pan.GetUnquotedColumn(t, "Revoked")+" = ?", true)
130 query.IncludeWhere()
131 query.Include(pan.GetUnquotedColumn(t, "ClientID")+" = ?", clientID)
132 return query.FlushExpressions(" ")
133 }
135 func (p *postgres) revokeTokensByClientID(clientID uuid.ID) error {
136 query := p.revokeTokensByClientIDSQL(clientID)
137 res, err := p.db.Exec(query.String(), query.Args...)
138 if err != nil {
139 return err
140 }
141 rows, err := res.RowsAffected()
142 if err != nil {
143 return err
144 }
145 if rows == 0 {
146 return ErrClientNotFound
147 }
148 return nil
149 }
151 func (p *postgres) getTokensByProfileIDSQL(profileID uuid.ID, num, offset int) *pan.Query {
152 var token Token
153 fields, _ := pan.GetFields(token)
154 query := pan.New(pan.POSTGRES, "SELECT "+pan.QueryList(fields)+" FROM "+pan.GetTableName(token))
155 query.IncludeWhere()
156 query.Include(pan.GetUnquotedColumn(token, "ProfileID")+" = ?", profileID)
157 query.IncludeLimit(int64(num))
158 query.IncludeOffset(int64(offset))
159 return query.FlushExpressions(" ")
160 }
162 func (p *postgres) getTokensByProfileID(profileID uuid.ID, num, offset int) ([]Token, error) {
163 query := p.getTokensByProfileIDSQL(profileID, num, offset)
164 rows, err := p.db.Query(query.String(), query.Args...)
165 if err != nil {
166 return []Token{}, err
167 }
168 var tokens []Token
169 var tokenIDs []string
170 for rows.Next() {
171 var token Token
172 err = pan.Unmarshal(rows, &token)
173 if err != nil {
174 return tokens, err
175 }
176 tokens = append(tokens, token)
177 tokenIDs = append(tokenIDs, token.AccessToken)
178 }
179 if err = rows.Err(); err != nil {
180 return tokens, err
181 }
182 return tokens, nil
183 }