annotate env/ldap/check_credentials.lua @ 1321:a0d6c347ce7f
Configureable text when rejected because of age
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bsw |
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Wed Aug 01 18:05:18 2018 +0200 (2018-08-01) |
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1 -- check if credentials (given by a user) are valid to bind to LDAP
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2 -- --------------------------------------------------------------------------
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3 --
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4 -- arguments:
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5 -- dn: The distinguished name to be used fo binding (string, required)
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6 -- password: Password credentials (string, required)
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7 --
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8 -- returns
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9 -- success: true in cases of valid credentials
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10 -- false in cases of invalid credentials
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11 -- nil in undetermined cases, i.e. unavailable LDAP server
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12 -- err: error code in case of errors, otherwise nil (string)
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13 -- err2: error dependent extra error information
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14
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15 function ldap.check_credentials(login, password)
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16
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17 local filter = config.ldap.member.login_filter_map(login)
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18 local ldap_entry, err, err2 = ldap.get_member_entry(filter)
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19
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20 if err == "too_many_entries_found" then
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21 return false, "invalid_credentials"
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22 end
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23
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24 if err then
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25 return nil, err
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26 end
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27 if not ldap_entry then
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28 return false, "invalid_credentials"
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29 end
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30
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31 local dn = ldap_entry.dn
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32
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33 local ldap, err, err2 = ldap.bind(dn, password)
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34
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35 if err == "invalid_credentials" then
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36 return false, "invalid_credentials"
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37 end
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38
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39 if err then
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40 return nil, err, err2
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41 end
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42
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43 ldap:unbind()
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44
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45 return ldap_entry
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46
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47 end
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