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