| commit | author | age | ||
| bd0e83 | 1 | /* |
| PM | 2 | * Copyright 2015 gitblit.com. |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package com.gitblit.models; | |
| 17 | ||
| 18 | import java.io.Serializable; | |
| 19 | import java.util.ArrayList; | |
| 20 | import java.util.Date; | |
| 21 | import java.util.List; | |
| 22 | import java.util.NoSuchElementException; | |
| 46f33f | 23 | import java.util.regex.Matcher; |
| PM | 24 | import java.util.regex.Pattern; |
| 25 | ||
| 26 | import com.gitblit.Constants; | |
| bd0e83 | 27 | |
| PM | 28 | /** |
| 29 | * A FilestoreModel represents a file stored outside a repository but referenced by the repository using a unique objectID | |
| 30 | * | |
| 31 | * @author Paul Martin | |
| 32 | * | |
| 33 | */ | |
| 17a6c6 | 34 | public class FilestoreModel implements Serializable, Comparable<FilestoreModel> { |
| bd0e83 | 35 | |
| PM | 36 | private static final long serialVersionUID = 1L; |
| 37 | ||
| 46f33f | 38 | private static final String metaRegexText = new StringBuilder() |
| PM | 39 | .append("version\\shttps://git-lfs.github.com/spec/v1\\s+") |
| 40 | .append("oid\\ssha256:(" + Constants.REGEX_SHA256 + ")\\s+") | |
| 41 | .append("size\\s([0-9]+)") | |
| 42 | .toString(); | |
| 43 | ||
| 44 | private static final Pattern metaRegex = Pattern.compile(metaRegexText); | |
| 45 | ||
| 46 | private static final int metaRegexIndexSHA = 1; | |
| 47 | ||
| 48 | private static final int metaRegexIndexSize = 2; | |
| 49 | ||
| bd0e83 | 50 | public final String oid; |
| PM | 51 | |
| 52 | private Long size; | |
| 53 | private Status status; | |
| 54 | ||
| 55 | //Audit | |
| 56 | private String stateChangedBy; | |
| 57 | private Date stateChangedOn; | |
| 58 | ||
| 59 | //Access Control | |
| 60 | private List<String> repositories; | |
| 61 | ||
| 46f33f | 62 | public FilestoreModel(String id, long definedSize) { |
| PM | 63 | oid = id; |
| 64 | size = definedSize; | |
| 65 | status = Status.ReferenceOnly; | |
| 66 | } | |
| 67 | ||
| bd0e83 | 68 | public FilestoreModel(String id, long expectedSize, UserModel user, String repo) { |
| PM | 69 | oid = id; |
| 70 | size = expectedSize; | |
| 71 | status = Status.Upload_Pending; | |
| 72 | stateChangedBy = user.getName(); | |
| 73 | stateChangedOn = new Date(); | |
| 74 | repositories = new ArrayList<String>(); | |
| 75 | repositories.add(repo); | |
| 46f33f | 76 | } |
| PM | 77 | |
| 78 | /* | |
| 79 | * Attempts to create a FilestoreModel from the given meta string | |
| 80 | * | |
| 81 | * @return A valid FilestoreModel if successful, otherwise null | |
| 82 | */ | |
| 83 | public static FilestoreModel fromMetaString(String meta) { | |
| 84 | ||
| 85 | Matcher m = metaRegex.matcher(meta); | |
| 86 | ||
| 87 | if (m.find()) { | |
| 88 | try | |
| 89 | { | |
| 90 | final Long size = Long.parseLong(m.group(metaRegexIndexSize)); | |
| 91 | final String sha = m.group(metaRegexIndexSHA); | |
| 92 | return new FilestoreModel(sha, size); | |
| 93 | } catch (Exception e) { | |
| 94 | //Fail silent - it is not a valid filestore item | |
| 95 | } | |
| 96 | } | |
| 97 | ||
| 98 | return null; | |
| bd0e83 | 99 | } |
| PM | 100 | |
| 101 | public synchronized long getSize() { | |
| 102 | return size; | |
| 103 | } | |
| 104 | ||
| 105 | public synchronized Status getStatus() { | |
| 106 | return status; | |
| 107 | } | |
| 108 | ||
| 109 | public synchronized String getChangedBy() { | |
| 110 | return stateChangedBy; | |
| 111 | } | |
| 112 | ||
| 113 | public synchronized Date getChangedOn() { | |
| 114 | return stateChangedOn; | |
| 115 | } | |
| 116 | ||
| 117 | public synchronized void setStatus(Status status, UserModel user) { | |
| 118 | this.status = status; | |
| 119 | stateChangedBy = user.getName(); | |
| 120 | stateChangedOn = new Date(); | |
| 121 | } | |
| 122 | ||
| 123 | public synchronized void reset(UserModel user, long size) { | |
| 124 | status = Status.Upload_Pending; | |
| 125 | stateChangedBy = user.getName(); | |
| 126 | stateChangedOn = new Date(); | |
| 127 | this.size = size; | |
| 128 | } | |
| 129 | ||
| 130 | /* | |
| 131 | * Handles possible race condition with concurrent connections | |
| 132 | * @return true if action can proceed, false otherwise | |
| 133 | */ | |
| 134 | public synchronized boolean actionUpload(UserModel user) { | |
| 135 | if (status == Status.Upload_Pending) { | |
| 136 | status = Status.Upload_In_Progress; | |
| 137 | stateChangedBy = user.getName(); | |
| 138 | stateChangedOn = new Date(); | |
| 139 | return true; | |
| 140 | } | |
| 141 | ||
| 142 | return false; | |
| 143 | } | |
| 144 | ||
| 145 | public synchronized boolean isInErrorState() { | |
| 146 | return (this.status.value < 0); | |
| 147 | } | |
| 148 | ||
| 149 | public synchronized void addRepository(String repo) { | |
| 46f33f | 150 | if (status != Status.ReferenceOnly) { |
| PM | 151 | if (!repositories.contains(repo)) { |
| 152 | repositories.add(repo); | |
| 153 | } | |
| 154 | } | |
| bd0e83 | 155 | } |
| PM | 156 | |
| 157 | public synchronized void removeRepository(String repo) { | |
| 46f33f | 158 | if (status != Status.ReferenceOnly) { |
| PM | 159 | repositories.remove(repo); |
| 160 | } | |
| bd0e83 | 161 | } |
| PM | 162 | |
| 697905 | 163 | public synchronized boolean isInRepositoryList(List<String> repoList) { |
| 46f33f | 164 | if (status != Status.ReferenceOnly) { |
| PM | 165 | for (String name : repositories) { |
| 166 | if (repoList.contains(name)) { | |
| 167 | return true; | |
| 168 | } | |
| 697905 | 169 | } |
| PM | 170 | } |
| 171 | return false; | |
| 172 | } | |
| 173 | ||
| bd0e83 | 174 | public static enum Status { |
| PM | 175 | |
| 46f33f | 176 | ReferenceOnly(-42), |
| PM | 177 | |
| bd0e83 | 178 | Deleted(-30), |
| PM | 179 | AuthenticationRequired(-20), |
| 180 | ||
| 181 | Error_Unknown(-8), | |
| 182 | Error_Unexpected_Stream_End(-7), | |
| 183 | Error_Invalid_Oid(-6), | |
| 184 | Error_Invalid_Size(-5), | |
| 185 | Error_Hash_Mismatch(-4), | |
| 186 | Error_Size_Mismatch(-3), | |
| 187 | Error_Exceeds_Size_Limit(-2), | |
| 188 | Error_Unauthorized(-1), | |
| 189 | //Negative values provide additional information and may be treated as 0 when not required | |
| 190 | Unavailable(0), | |
| 191 | Upload_Pending(1), | |
| 192 | Upload_In_Progress(2), | |
| 193 | Available(3); | |
| 194 | ||
| 195 | final int value; | |
| 196 | ||
| 197 | Status(int value) { | |
| 198 | this.value = value; | |
| 199 | } | |
| 200 | ||
| 201 | public int getValue() { | |
| 202 | return value; | |
| 203 | } | |
| 204 | ||
| 205 | @Override | |
| 206 | public String toString() { | |
| 207 | return name().toLowerCase().replace('_', ' '); | |
| 208 | } | |
| 209 | ||
| 210 | public static Status fromState(int state) { | |
| 211 | for (Status s : values()) { | |
| 212 | if (s.getValue() == state) { | |
| 213 | return s; | |
| 214 | } | |
| 215 | } | |
| 216 | throw new NoSuchElementException(String.valueOf(state)); | |
| 217 | } | |
| 218 | } | |
| 219 | ||
| 17a6c6 | 220 | @Override |
| PM | 221 | public int compareTo(FilestoreModel o) { |
| 222 | return this.oid.compareTo(o.oid); | |
| 223 | } | |
| 224 | ||
| bd0e83 | 225 | } |
| PM | 226 | |
