Vydané zdroje

CH-J Server Manager

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1"use strict";

3const test = require("node:test");

4const assert = require("node:assert/strict");

5const crypto = require("node:crypto");

6const { RemoteFileService } = require("../src/main/files/remoteFileService");

8const hash = (data) => crypto.createHash("sha256").update(data).digest("hex");

9function fixture() {

10 let content = Buffer.from("original");

  let baseline = { uid: 0, gid: 33, mode: 0o6754, mtimeNs: "1000000000", hash: hash(content), xattrs: { "user.test": "dGVzdA==" } };

12 let finalError, uploadError, cleanupError;

13 const calls = [], copies = new Map(), journals = new Map();

14 const manager = {

15 list: () => [{ sessionId: "s", state: "connected", host: "server", port: 22, username: "user", profileId: "p" }],

16 openSftp: async () => ({

17 writeFile(path, data, options, callback) {

18 calls.push({ op: "upload", path, options });

19 if (copies.has(path)) return callback(new Error("Exists"));

20 if (uploadError) { copies.set(path, data.subarray(0, 2)); return callback(uploadError); }

21 copies.set(path, Buffer.from(data)); callback(null);

22 }, end() {}

23 }),

24 async remoteEditor(_session, request, authorization) {

25 calls.push({ ...request, authorization });

26 const path = "/srv/custom-home/ch-j-sm/." + request.id + ".tmp";

27 if (request.operation === "read") return { data: content.toString("base64"), baseline: { ...baseline } };

28 if (request.operation === "prepare") {

29 journals.set(request.id, request);

30 return { temporary: path, recoveryId: request.id, uid: 1001 };

31 }

32 if (request.operation === "finalize") {

33 if (finalError) throw finalError;

34 assert.equal(hash(copies.get(path)), request.hash);

        if (request.baseline.hash !== baseline.hash) { const e = new Error("Conflict"); e.code = "FILE_CONFLICT"; throw e; }

36 content = copies.get(path); baseline = { ...baseline, hash: request.hash };

37 return { status: "saved", hash: request.hash, baseline: { ...baseline } };

38 }

39 if (request.operation === "cleanup") {

40 if (cleanupError) throw cleanupError;

41 copies.delete(path); journals.delete(request.id); return { status: "confirmed" };

42 }

43 if (request.operation === "list") return { items: [...journals.keys()].map((recoveryId) => ({ recoveryId })) };

      if (request.operation === "inspect") return { data: copies.get(path).toString("base64"), hash: hash(copies.get(path)), complete: true, status: "recovery-available", recoveryId: request.id };

45 throw new Error("Unexpected operation");

46 }

47 };

48 return { service: new RemoteFileService({ sessionManager: manager }), manager, calls, copies, journals,

49 get content() { return content.toString(); }, get baseline() { return baseline; },

    set finalError(value) { finalError = value; }, set uploadError(value) { uploadError = value; }, set cleanupError(value) { cleanupError = value; },

51 change() { content = Buffer.from("external change"); baseline = { ...baseline, hash: hash(content) }; } };

52}

54test("editor captures a baseline, stages privately in actual home and finalizes once before cleanup", async () => {

55 const f = fixture();

56 const opened = await f.service.readText("s", "/etc/test config");

57 assert.equal(opened.text, "original");

58 assert.equal(opened.metadata.uid, 0);

  const result = await f.service.writeText("s", "/etc/test config", "modified", { editId: opened.editId, sudo: true, sudoPassword: "secret" });

60 assert.equal(result.status, "saved");

61 assert.equal(f.content, "modified");

  assert.deepEqual(f.calls.map((call) => call.operation || call.op), ["read", "prepare", "upload", "finalize", "cleanup"]);

63 const upload = f.calls[2];

64 assert.match(upload.path, /^\/srv\/custom-home\/ch-j-sm\/\.[a-f0-9]{32}\.tmp$/);

65 assert.deepEqual(upload.options, { flag: "wx", mode: 0o600 });

66 assert.equal(f.calls[3].baseline.mode, 0o6754);

67 assert.equal(f.calls[3].baseline.gid, 33);

68 assert.equal(f.calls[3].authorization.sudoPassword, "secret");

69 assert.equal(f.copies.size, 0);

70});

for (const code of ["FILE_SUDO_FAILED", "FILE_PERMISSION_DENIED", "FILE_CONFLICT", "FILE_REMOTE_IO_FAILED", "FILE_NOT_FOUND", "FILE_METADATA_UNSUPPORTED"]) {

73 test(code + " preserves original and complete recovery copy", async () => {

74 const f = fixture(); await f.service.readText("s", "/etc/config");

75 f.finalError = Object.assign(new Error("failure"), { code });

76 const result = await f.service.saveText("s", "/etc/config", "modified");

77 assert.equal(result.ok, false); assert.equal(result.error.code, code);

78 assert.equal(f.content, "original"); assert.equal([...f.copies.values()][0].toString(), "modified");

79 assert.equal(f.calls.some((c) => c.operation === "cleanup"), false);

80 assert.equal((await f.service.listRecovery("s")).items.length, 1);

81 assert.equal((await f.service.readRecovery("s", result.error.recoveryId)).text, "modified");

82 });

83}

85test("upload failure leaves target intact, partial copy discoverable and never finalizes", async () => {

86 const f = fixture(); await f.service.readText("s", "/var/www/config");

87 f.uploadError = new Error("Disk full");

88 const result = await f.service.saveText("s", "/var/www/config", "modified");

89 assert.equal(result.error.code, "FILE_UPLOAD_FAILED"); assert.equal(f.content, "original");

90 assert.equal(f.calls.some((c) => c.operation === "finalize"), false);

91 assert.equal(f.copies.size, 1);

92});

94test("stalled SFTP upload times out without finalization and closes late channels", async (t) => {

95 t.mock.timers.enable({ apis: ["setTimeout"] });

96 const f = fixture(); await f.service.readText("s", "/etc/config");

97 let finishOpen, ended = 0;

98 f.manager.openSftp = () => new Promise((resolve) => { finishOpen = resolve; });

99 const saving = f.service.saveText("s", "/etc/config", "modified");

100 await new Promise((resolve) => setImmediate(resolve));

101 t.mock.timers.tick(60000);

102 const result = await saving;

103 assert.equal(result.error.code, "FILE_UPLOAD_TIMEOUT"); assert.equal(f.content, "original");

104 assert.equal(f.calls.some((c) => c.operation === "finalize"), false);

105 finishOpen({ end() { ended++; } });

106 await new Promise((resolve) => setImmediate(resolve));

107 assert.equal(ended, 1);

108});

109

110test("lost final confirmation retains recovery and prevents automatic repeat, including after reconnect", async () => {

111 const f = fixture(); await f.service.readText("s", "/etc/config");

112 f.finalError = Object.assign(new Error("disconnected"), { code: "FILE_RESULT_UNKNOWN" });

113 const result = await f.service.saveText("s", "/etc/config", "modified");

114 assert.equal(result.error.status, "unknown");

115 assert.equal((await f.service.saveText("s", "/etc/config", "modified")).error.code, "FILE_RESULT_UNKNOWN");

116 assert.equal(f.calls.filter((c) => c.operation === "finalize").length, 1);

117 const reconnected = new RemoteFileService({ sessionManager: f.manager });

118 assert.equal((await reconnected.listRecovery("s")).items[0].recoveryId, result.error.recoveryId);

119 assert.equal((await reconnected.readRecovery("s", result.error.recoveryId)).text, "modified");

120});

121

122test("unexpected remote failures remain unknown and never enable automatic repetition", async () => {

123 const f = fixture(); await f.service.readText("s", "/etc/config");

124 f.finalError = Object.assign(new Error("Unexpected exit"), { code: "FILE_UNEXPECTED_EXIT" });

125 const result = await f.service.saveText("s", "/etc/config", "modified");

126 assert.equal(result.error.code, "FILE_RESULT_UNKNOWN"); assert.equal(result.error.status, "unknown");

127 assert.equal(f.copies.size, 1);

128});

129

130test("simultaneous saves of one document are rejected while the first upload is pending", async () => {

131 const f = fixture(); const opened = await f.service.readText("s", "/etc/config");

132 let finishUpload;

133 const open = f.manager.openSftp;

134 f.manager.openSftp = async () => {

135 const sftp = await open(); const write = sftp.writeFile;

136 sftp.writeFile = (...args) => { finishUpload = () => write(...args); };

137 return sftp;

138 };

139 const first = f.service.writeText("s", "/etc/config", "first", { editId: opened.editId });

140 await new Promise((resolve) => setImmediate(resolve));

141 const second = await f.service.saveText("s", "/etc/config", "second", { editId: opened.editId });

142 assert.equal(second.ok, false); assert.equal(f.calls.filter((c) => c.operation === "prepare").length, 1);

143 finishUpload(); await first;

144 assert.equal(f.content, "first");

145});

146

147test("editor preserves a trailing space in a filename", async () => {

148 const f = fixture(); await f.service.readText("s", "/etc/config ");

149 await f.service.writeText("s", "/etc/config ", "modified");

150 assert.equal(f.calls.find((c) => c.operation === "finalize").path, "/etc/config ");

151});

152

153test("confirmed save stays successful when cleanup cannot be confirmed", async () => {

154 const f = fixture(); await f.service.readText("s", "/etc/config"); f.cleanupError = new Error("disconnected");

155 const saved = await f.service.writeText("s", "/etc/config", "modified");

156 assert.equal(saved.status, "saved"); assert.equal(saved.recoveryAvailable, true); assert.equal(f.copies.size, 1);

157});

158

159test("independent editor baselines detect concurrent changes and temporary names never collide", async () => {

160

  const f = fixture(); const one = await f.service.readText("s", "/etc/config"); const two = await f.service.readText("s", "/etc/config");

161 await f.service.writeText("s", "/etc/config", "first", { editId: one.editId });

162 const result = await f.service.saveText("s", "/etc/config", "second", { editId: two.editId });

163 assert.equal(result.error.code, "FILE_CONFLICT"); assert.equal(f.content, "first");

164 const paths = f.calls.filter((c) => c.op === "upload").map((c) => c.path);

165 assert.equal(new Set(paths).size, 2);

166});

167

168test("legacy calls cannot silently choose a baseline when multiple documents share a path", async () => {

169

  const f = fixture(); const one = await f.service.readText("s", "/etc/config"); const two = await f.service.readText("s", "/etc/config");

170 const ambiguous = await f.service.saveText("s", "/etc/config", "modified");

171 assert.equal(ambiguous.error.code, "FILE_EDIT_ID_REQUIRED"); assert.equal(f.content, "original");

172 f.service.closeText(one.editId);

173 const result = await f.service.writeText("s", "/etc/config", "modified");

174 assert.equal(result.editId, two.editId);

175});

176

177test("editor rejects traversal and cross-plugin/cross-server baseline reuse", async () => {

178 const f = fixture();

179 await assert.rejects(() => f.service.readText("s", "/etc/../etc/passwd"), /traversal/);

180 const opened = await f.service.readText("s", "/etc/config", {}, "plugin-a");

181

  await assert.rejects(() => f.service.writeText("s", "/etc/config", "x", { editId: opened.editId }, "plugin-b"), /baseline/);

182 f.manager.list = () => [{ sessionId: "s", state: "connected", host: "other", username: "user" }];

183

  await assert.rejects(() => f.service.writeText("s", "/etc/config", "x", { editId: opened.editId }, "plugin-a"), /baseline/);

184});

185

186test("ordinary writable saves work with legacy arguments after opening; document handles can be released", async () => {

187 const f = fixture(); const opened = await f.service.readText("s", "/home/user/config");

188 await f.service.writeText("s", "/home/user/config", "modified");

189 assert.deepEqual(f.calls.find((c) => c.operation === "finalize").authorization, {});

190 assert.equal(f.service.closeText(opened.editId).closed, true);

191 await assert.rejects(() => f.service.writeText("s", "/home/user/config", "x"), /baseline/);

192});

193

SHA-256: b4ca996f0b9f8e892d8e18d6e4189ba6b56534f1a8b9de135d64a894ae389ec9

SHA-256 archivu: 5ac91caf4fa32a6fdb114f2430deed486fbe7489d5eea343d1f034169fafb5e0