src/org/cacert/gigi/util/Notary.java

   1 package org.cacert.gigi.util;
   2
   3 import java.text.ParseException;
   4 import java.util.Calendar;
   5 import java.util.Date;
   6 import java.util.GregorianCalendar;
   7
   8 import org.cacert.gigi.GigiApiException;
   9 import org.cacert.gigi.database.GigiPreparedStatement;
  10 import org.cacert.gigi.database.GigiResultSet;
  11 import org.cacert.gigi.dbObjects.Assurance.AssuranceType;
  12 import org.cacert.gigi.dbObjects.Group;
  13 import org.cacert.gigi.dbObjects.Name;
  14 import org.cacert.gigi.dbObjects.User;
  15 import org.cacert.gigi.output.DateSelector;
  16
  17 public class Notary {
  18
  19     public static void writeUserAgreement(User member, String document, String method, String comment, boolean active, int secmemid) {
  20         try (GigiPreparedStatement q = new GigiPreparedStatement("INSERT INTO `user_agreements` SET `memid`=?, `secmemid`=?," + " `document`=?,`date`=NOW(), `active`=?,`method`=?,`comment`=?")) {
  21             q.setInt(1, member.getId());
  22             q.setInt(2, secmemid);
  23             q.setString(3, document);
  24             q.setBoolean(4, active);
  25             q.setString(5, method);
  26             q.setString(6, comment);
  27             q.execute();
  28         }
  29     }
  30
  31     public static void checkAssuranceIsPossible(User assurer, User target) throws GigiApiException {
  32         if (assurer.getId() == target.getId()) {
  33             throw new GigiApiException("You cannot assure yourself.");
  34         }
  35         try (GigiPreparedStatement ps = new GigiPreparedStatement("SELECT 1 FROM `notary` where `to`=? and `from`=? AND `deleted` IS NULL")) {
  36             ps.setInt(1, target.getId());
  37             ps.setInt(2, assurer.getId());
  38             GigiResultSet rs = ps.executeQuery();
  39             if (rs.next()) {
  40                 rs.close();
  41                 throw new GigiApiException("You have already assured this member.");
  42             }
  43         }
  44         if ( !assurer.canAssure()) {
  45             throw new GigiApiException("You are not an assurer.");
  46         }
  47     }
  48
  49     public static final Group ASSURER_BLOCKED = Group.getByString("blockedassurer");
  50
  51     public static final Group ASSUREE_BLOCKED = Group.getByString("blockedassuree");
  52
  53     /**
  54      * This method assures another user.
  55      *
  56      * @see User#canAssure() (for assurer)
  57      * @see #checkAssuranceIsPossible(User, User) (for assurer or assuree)
  58      * @param assurer
  59      *            the person that wants to assure
  60      * @param assuree
  61      *            the person that should be assured
  62      * @param assureeName
  63      *            the Name that was personally verified
  64      * @param dob
  65      *            the Date of birth that the assurer verified
  66      * @param awarded
  67      *            the points that should be awarded in total
  68      * @param location
  69      *            the location where the assurance took place
  70      * @param date
  71      *            the date when the assurance took place
  72      * @throws GigiApiException
  73      *             if the assurance fails (for various reasons)
  74      */
  75     public synchronized static void assure(User assurer, User assuree, Name assureeName, Date dob, int awarded, String location, String date, AssuranceType type) throws GigiApiException {
  76         may(assurer, assuree, AssuranceType.FACE_TO_FACE);
  77         GigiApiException gae = new GigiApiException();
  78         if ( !gae.isEmpty()) {
  79             throw gae;
  80         }
  81         if (date == null || date.equals("")) {
  82             gae.mergeInto(new GigiApiException("You must enter the date when you met the assuree."));
  83         } else {
  84             try {
  85                 Date d = DateSelector.getDateFormat().parse(date);
  86                 Calendar gc = GregorianCalendar.getInstance();
  87                 gc.setTimeInMillis(System.currentTimeMillis());
  88                 gc.add(Calendar.HOUR_OF_DAY, 12);
  89                 if (d.getTime() > gc.getTimeInMillis()) {
  90                     gae.mergeInto(new GigiApiException("You must not enter a date in the future."));
  91                 }
  92             } catch (ParseException e) {
  93                 gae.mergeInto(new GigiApiException("You must enter the date in this format: YYYY-MM-DD."));
  94             }
  95         }
  96         // check location, min 3 characters
  97         if (location == null || location.equals("")) {
  98             gae.mergeInto(new GigiApiException("You failed to enter a location of your meeting."));
  99         } else if (location.length() <= 2) {
 100             gae.mergeInto(new GigiApiException("You must enter a location with at least 3 characters eg town and country."));
 101         }
 102         synchronized (assuree) {
 103
 104             try {
 105                 checkAssuranceIsPossible(assurer, assuree);
 106             } catch (GigiApiException e) {
 107                 gae.mergeInto(e);
 108             }
 109
 110             if ( !assuree.getName().equals(assureeName) || !assuree.getDoB().equals(dob)) {
 111                 gae.mergeInto(new GigiApiException("The person you are assuring changed his personal details."));
 112             }
 113             if (awarded < 0) {
 114                 gae.mergeInto(new GigiApiException("The points you are trying to award are out of range."));
 115             } else {
 116                 if (type == AssuranceType.NUCLEUS) {
 117                     if (awarded > 50) {
 118                         gae.mergeInto(new GigiApiException("The points you are trying to award are out of range."));
 119                     }
 120                 } else {
 121                     if (awarded > assurer.getMaxAssurePoints()) {
 122                         gae.mergeInto(new GigiApiException("The points you are trying to award are out of range."));
 123                     }
 124                 }
 125             }
 126
 127             if ( !gae.isEmpty()) {
 128                 throw gae;
 129             }
 130
 131             if (type == AssuranceType.FACE_TO_FACE) {
 132                 assureF2F(assurer, assuree, awarded, location, date);
 133             } else if (type == AssuranceType.NUCLEUS) {
 134                 assureNucleus(assurer, assuree, awarded, location, date);
 135             } else if (type == AssuranceType.TTP_ASSISTED) {
 136                 assureTTP(assurer, assuree, awarded, location, date);
 137             } else {
 138                 throw new GigiApiException("Unknown Assurance type: " + type);
 139             }
 140             assurer.invalidateMadeAssurances();
 141             assuree.invalidateReceivedAssurances();
 142         }
 143     }
 144
 145     private static void assureF2F(User assurer, User assuree, int awarded, String location, String date) throws GigiApiException {
 146         may(assurer, assuree, AssuranceType.FACE_TO_FACE);
 147         try (GigiPreparedStatement ps = new GigiPreparedStatement("INSERT INTO `notary` SET `from`=?, `to`=?, `points`=?, `location`=?, `date`=?")) {
 148             ps.setInt(1, assurer.getId());
 149             ps.setInt(2, assuree.getId());
 150             ps.setInt(3, awarded);
 151             ps.setString(4, location);
 152             ps.setString(5, date);
 153             ps.execute();
 154         }
 155     }
 156
 157     private static void assureTTP(User assurer, User assuree, int awarded, String location, String date) throws GigiApiException {
 158         may(assurer, assuree, AssuranceType.TTP_ASSISTED);
 159         try (GigiPreparedStatement ps = new GigiPreparedStatement("INSERT INTO `notary` SET `from`=?, `to`=?, `points`=?, `location`=?, `date`=?, `method`='TTP-Assisted'")) {
 160             ps.setInt(1, assurer.getId());
 161             ps.setInt(2, assuree.getId());
 162             ps.setInt(3, awarded);
 163             ps.setString(4, location);
 164             ps.setString(5, date);
 165             ps.execute();
 166             assuree.revokeGroup(assurer, Group.TTP_APPLICANT);
 167         }
 168     }
 169
 170     public static void may(User assurer, User assuree, AssuranceType t) throws GigiApiException {
 171         if (assuree.isInGroup(ASSUREE_BLOCKED)) {
 172             throw new GigiApiException("The assuree is blocked.");
 173         }
 174         if (assurer.isInGroup(ASSURER_BLOCKED)) {
 175             throw new GigiApiException("The assurer is blocked.");
 176         }
 177
 178         if (t == AssuranceType.NUCLEUS) {
 179             if ( !assurer.isInGroup(Group.NUCLEUS_ASSURER)) {
 180                 throw new GigiApiException("Assurer needs to be Nucleus Assurer.");
 181             }
 182             return;
 183         } else if (t == AssuranceType.TTP_ASSISTED) {
 184             if ( !assurer.isInGroup(Group.TTP_ASSURER)) {
 185                 throw new GigiApiException("Assurer needs to be TTP Assurer.");
 186             }
 187             if ( !assuree.isInGroup(Group.TTP_APPLICANT)) {
 188                 throw new GigiApiException("Assuree needs to be TTP Applicant.");
 189             }
 190             return;
 191         } else if (t == AssuranceType.FACE_TO_FACE) {
 192             return;
 193         }
 194         throw new GigiApiException("Assurance type not possible.");
 195     }
 196
 197     private static void assureNucleus(User assurer, User assuree, int awarded, String location, String date) throws GigiApiException {
 198         may(assurer, assuree, AssuranceType.NUCLEUS);
 199         // Do up to 35 points as f2f
 200         int f2fPoints = Math.min(assurer.getMaxAssurePoints(), awarded);
 201         assureF2F(assurer, assuree, f2fPoints, location, date);
 202
 203         awarded -= f2fPoints;
 204         if (awarded <= 0) {
 205             return;
 206         }
 207
 208         // Assure remaining points as "Nucleus Bonus"
 209         // Valid for 4 Weeks = 28 days
 210         try (GigiPreparedStatement ps = new GigiPreparedStatement("INSERT INTO `notary` SET `from`=?, `to`=?, `points`=?, `location`=?, `date`=?, `method`='Nucleus Bonus', `expire` = CURRENT_TIMESTAMP + interval '28 days'")) {
 211             ps.setInt(1, assurer.getId());
 212             ps.setInt(2, assuree.getId());
 213             ps.setInt(3, awarded);
 214             ps.setString(4, location);
 215             ps.setString(5, date);
 216             ps.execute();
 217         }
 218     }
 219 }