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

   1 package org.cacert.gigi.util;
   2
   3 import java.text.ParseException;
   4 import java.util.Arrays;
   5 import java.util.Calendar;
   6 import java.util.Date;
   7 import java.util.GregorianCalendar;
   8
   9 import org.cacert.gigi.GigiApiException;
  10 import org.cacert.gigi.database.GigiPreparedStatement;
  11 import org.cacert.gigi.database.GigiResultSet;
  12 import org.cacert.gigi.dbObjects.Assurance.AssuranceType;
  13 import org.cacert.gigi.dbObjects.Group;
  14 import org.cacert.gigi.dbObjects.Name;
  15 import org.cacert.gigi.dbObjects.User;
  16 import org.cacert.gigi.output.DateSelector;
  17 import org.cacert.gigi.output.template.SprintfCommand;
  18
  19 public class Notary {
  20
  21     public static void writeUserAgreement(User member, String document, String method, String comment, boolean active, int secmemid) {
  22         try (GigiPreparedStatement q = new GigiPreparedStatement("INSERT INTO `user_agreements` SET `memid`=?, `secmemid`=?," + " `document`=?,`date`=NOW(), `active`=?,`method`=?,`comment`=?")) {
  23             q.setInt(1, member.getId());
  24             q.setInt(2, secmemid);
  25             q.setString(3, document);
  26             q.setBoolean(4, active);
  27             q.setString(5, method);
  28             q.setString(6, comment);
  29             q.execute();
  30         }
  31     }
  32
  33     public static void checkAssuranceIsPossible(User assurer, User target) throws GigiApiException {
  34         if (assurer.getId() == target.getId()) {
  35             throw new GigiApiException("You cannot assure yourself.");
  36         }
  37         try (GigiPreparedStatement ps = new GigiPreparedStatement("SELECT 1 FROM `notary` where `to`=? and `from`=? AND `deleted` IS NULL")) {
  38             ps.setInt(1, target.getId());
  39             ps.setInt(2, assurer.getId());
  40             GigiResultSet rs = ps.executeQuery();
  41             if (rs.next()) {
  42                 rs.close();
  43                 throw new GigiApiException("You have already assured this member.");
  44             }
  45         }
  46         if ( !assurer.canAssure()) {
  47             throw new GigiApiException("You are not an assurer.");
  48         }
  49     }
  50
  51     public static final Group ASSURER_BLOCKED = Group.getByString("blockedassurer");
  52
  53     public static final Group ASSUREE_BLOCKED = Group.getByString("blockedassuree");
  54
  55     /**
  56      * This method assures another user.
  57      *
  58      * @see User#canAssure() (for assurer)
  59      * @see #checkAssuranceIsPossible(User, User) (for assurer or assuree)
  60      * @param assurer
  61      *            the person that wants to assure
  62      * @param assuree
  63      *            the person that should be assured
  64      * @param assureeName
  65      *            the Name that was personally verified
  66      * @param dob
  67      *            the Date of birth that the assurer verified
  68      * @param awarded
  69      *            the points that should be awarded in total
  70      * @param location
  71      *            the location where the assurance took place
  72      * @param date
  73      *            the date when the assurance took place
  74      * @throws GigiApiException
  75      *             if the assurance fails (for various reasons)
  76      */
  77     public synchronized static void assure(User assurer, User assuree, Name assureeName, DayDate dob, int awarded, String location, String date, AssuranceType type) throws GigiApiException {
  78         may(assurer, assuree, AssuranceType.FACE_TO_FACE);
  79         GigiApiException gae = new GigiApiException();
  80         if ( !gae.isEmpty()) {
  81             throw gae;
  82         }
  83         if (date == null || date.equals("")) {
  84             gae.mergeInto(new GigiApiException("You must enter the date when you met the assuree."));
  85         } else {
  86             try {
  87                 Date d = DateSelector.getDateFormat().parse(date);
  88                 Calendar gc = GregorianCalendar.getInstance();
  89                 gc.setTimeInMillis(System.currentTimeMillis());
  90                 gc.add(Calendar.HOUR_OF_DAY, 12);
  91                 if (d.getTime() > gc.getTimeInMillis()) {
  92                     gae.mergeInto(new GigiApiException("You must not enter a date in the future."));
  93                 }
  94             } catch (ParseException e) {
  95                 gae.mergeInto(new GigiApiException("You must enter the date in this format: YYYY-MM-DD."));
  96             }
  97         }
  98         // check location, min 3 characters
  99         if (location == null || location.equals("")) {
 100             gae.mergeInto(new GigiApiException("You failed to enter a location of your meeting."));
 101         } else if (location.length() <= 2) {
 102             gae.mergeInto(new GigiApiException("You must enter a location with at least 3 characters eg town and country."));
 103         }
 104         synchronized (assuree) {
 105
 106             try {
 107                 checkAssuranceIsPossible(assurer, assuree);
 108             } catch (GigiApiException e) {
 109                 gae.mergeInto(e);
 110             }
 111
 112             if ( !assuree.getName().equals(assureeName) || !assuree.getDoB().equals(dob)) {
 113                 gae.mergeInto(new GigiApiException("The person you are assuring changed his personal details."));
 114             }
 115             if (awarded < 0) {
 116                 gae.mergeInto(new GigiApiException("The points you are trying to award are out of range."));
 117             } else {
 118                 if (type == AssuranceType.NUCLEUS) {
 119                     if (awarded > 50) {
 120                         gae.mergeInto(new GigiApiException("The points you are trying to award are out of range."));
 121                     }
 122                 } else {
 123                     if (awarded > assurer.getMaxAssurePoints()) {
 124                         gae.mergeInto(new GigiApiException("The points you are trying to award are out of range."));
 125                     }
 126                 }
 127             }
 128
 129             if ( !gae.isEmpty()) {
 130                 throw gae;
 131             }
 132
 133             if (type == AssuranceType.FACE_TO_FACE) {
 134                 assureF2F(assurer, assuree, awarded, location, date);
 135             } else if (type == AssuranceType.NUCLEUS) {
 136                 assureNucleus(assurer, assuree, awarded, location, date);
 137             } else if (type == AssuranceType.TTP_ASSISTED) {
 138                 assureTTP(assurer, assuree, awarded, location, date);
 139             } else {
 140                 throw new GigiApiException(new SprintfCommand("Unknown Assurance type: %s", Arrays.asList(type.toString())));
 141             }
 142             assurer.invalidateMadeAssurances();
 143             assuree.invalidateReceivedAssurances();
 144         }
 145     }
 146
 147     private static void assureF2F(User assurer, User assuree, int awarded, String location, String date) throws GigiApiException {
 148         may(assurer, assuree, AssuranceType.FACE_TO_FACE);
 149         try (GigiPreparedStatement ps = new GigiPreparedStatement("INSERT INTO `notary` SET `from`=?, `to`=?, `points`=?, `location`=?, `date`=?")) {
 150             ps.setInt(1, assurer.getId());
 151             ps.setInt(2, assuree.getId());
 152             ps.setInt(3, awarded);
 153             ps.setString(4, location);
 154             ps.setString(5, date);
 155             ps.execute();
 156         }
 157     }
 158
 159     private static void assureTTP(User assurer, User assuree, int awarded, String location, String date) throws GigiApiException {
 160         may(assurer, assuree, AssuranceType.TTP_ASSISTED);
 161         try (GigiPreparedStatement ps = new GigiPreparedStatement("INSERT INTO `notary` SET `from`=?, `to`=?, `points`=?, `location`=?, `date`=?, `method`='TTP-Assisted'")) {
 162             ps.setInt(1, assurer.getId());
 163             ps.setInt(2, assuree.getId());
 164             ps.setInt(3, awarded);
 165             ps.setString(4, location);
 166             ps.setString(5, date);
 167             ps.execute();
 168             assuree.revokeGroup(assurer, Group.TTP_APPLICANT);
 169         }
 170     }
 171
 172     public static void may(User assurer, User assuree, AssuranceType t) throws GigiApiException {
 173         if (assuree.isInGroup(ASSUREE_BLOCKED)) {
 174             throw new GigiApiException("The assuree is blocked.");
 175         }
 176         if (assurer.isInGroup(ASSURER_BLOCKED)) {
 177             throw new GigiApiException("The assurer is blocked.");
 178         }
 179
 180         if (t == AssuranceType.NUCLEUS) {
 181             if ( !assurer.isInGroup(Group.NUCLEUS_ASSURER)) {
 182                 throw new GigiApiException("Assurer needs to be Nucleus Assurer.");
 183             }
 184             return;
 185         } else if (t == AssuranceType.TTP_ASSISTED) {
 186             if ( !assurer.isInGroup(Group.TTP_ASSURER)) {
 187                 throw new GigiApiException("Assurer needs to be TTP Assurer.");
 188             }
 189             if ( !assuree.isInGroup(Group.TTP_APPLICANT)) {
 190                 throw new GigiApiException("Assuree needs to be TTP Applicant.");
 191             }
 192             return;
 193         } else if (t == AssuranceType.FACE_TO_FACE) {
 194             return;
 195         }
 196         throw new GigiApiException("Assurance type not possible.");
 197     }
 198
 199     private static void assureNucleus(User assurer, User assuree, int awarded, String location, String date) throws GigiApiException {
 200         may(assurer, assuree, AssuranceType.NUCLEUS);
 201         // Do up to 35 points as f2f
 202         int f2fPoints = Math.min(assurer.getMaxAssurePoints(), awarded);
 203         assureF2F(assurer, assuree, f2fPoints, location, date);
 204
 205         awarded -= f2fPoints;
 206         if (awarded <= 0) {
 207             return;
 208         }
 209
 210         // Assure remaining points as "Nucleus Bonus"
 211         // Valid for 4 Weeks = 28 days
 212         try (GigiPreparedStatement ps = new GigiPreparedStatement("INSERT INTO `notary` SET `from`=?, `to`=?, `points`=?, `location`=?, `date`=?, `method`='Nucleus Bonus', `expire` = CURRENT_TIMESTAMP + interval '28 days'")) {
 213             ps.setInt(1, assurer.getId());
 214             ps.setInt(2, assuree.getId());
 215             ps.setInt(3, awarded);
 216             ps.setString(4, location);
 217             ps.setString(5, date);
 218             ps.execute();
 219         }
 220     }
 221 }