1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.sshd;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.Project;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.server.change.ChangeFinder;
import com.google.gerrit.server.change.ChangeResource;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.permissions.ChangePermission;
import com.google.gerrit.server.permissions.GlobalPermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.restapi.change.ChangesCollection;
import com.google.gerrit.sshd.BaseCommand.UnloggedFailure;
import com.google.inject.Inject;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
public class ChangeArgumentParser {
private final ChangesCollection changesCollection;
private final ChangeFinder changeFinder;
private final ChangeNotes.Factory changeNotesFactory;
private final PermissionBackend permissionBackend;
@Inject
ChangeArgumentParser(
ChangesCollection changesCollection,
ChangeFinder changeFinder,
ChangeNotes.Factory changeNotesFactory,
PermissionBackend permissionBackend) {
this.changesCollection = changesCollection;
this.changeFinder = changeFinder;
this.changeNotesFactory = changeNotesFactory;
this.permissionBackend = permissionBackend;
}
public void addChange(String id, Map<Change.Id, ChangeResource> changes)
throws UnloggedFailure, PermissionBackendException {
addChange(id, changes, null);
}
public void addChange(
String id, Map<Change.Id, ChangeResource> changes, @Nullable ProjectState projectState)
throws UnloggedFailure, PermissionBackendException {
addChange(id, changes, projectState, true);
}
public void addChange(
String id,
Map<Change.Id, ChangeResource> changes,
@Nullable ProjectState projectState,
boolean useIndex)
throws UnloggedFailure, PermissionBackendException {
List<ChangeNotes> matched = useIndex ? changeFinder.find(id) : changeFromNotesFactory(id);
List<ChangeNotes> toAdd = new ArrayList<>(changes.size());
boolean canMaintainServer;
try {
permissionBackend.currentUser().check(GlobalPermission.MAINTAIN_SERVER);
canMaintainServer = true;
} catch (AuthException | PermissionBackendException e) {
canMaintainServer = false;
}
for (ChangeNotes notes : matched) {
if (!changes.containsKey(notes.getChangeId())
&& inProject(projectState, notes.getProjectName())) {
if (canMaintainServer) {
toAdd.add(notes);
continue;
}
if (projectState != null && !projectState.statePermitsRead()) {
continue;
}
try {
permissionBackend.currentUser().change(notes).check(ChangePermission.READ);
toAdd.add(notes);
} catch (AuthException e) {
// Do nothing.
}
}
}
if (toAdd.isEmpty()) {
throw new UnloggedFailure(1, "\"" + id + "\" no such change");
} else if (toAdd.size() > 1) {
throw new UnloggedFailure(1, "\"" + id + "\" matches multiple changes");
}
Change.Id cId = toAdd.get(0).getChangeId();
ChangeResource changeResource;
try {
changeResource = changesCollection.parse(cId);
} catch (RestApiException e) {
throw new UnloggedFailure(1, "\"" + id + "\" no such change", e);
}
changes.put(cId, changeResource);
}
private List<ChangeNotes> changeFromNotesFactory(String id) throws UnloggedFailure {
return changeNotesFactory.createUsingIndexLookup(parseId(id));
}
private List<Change.Id> parseId(String id) throws UnloggedFailure {
try {
return Arrays.asList(Change.id(Integer.parseInt(id)));
} catch (NumberFormatException e) {
throw new UnloggedFailure(2, "Invalid change ID " + id, e);
}
}
private boolean inProject(ProjectState projectState, Project.NameKey project) {
if (projectState != null) {
return projectState.getNameKey().equals(project);
}
// No --project option, so they want every project.
return true;
}
}
|
