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node-red/red/runtime/storage/localfilesystem/projects/index.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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.
**/
var fs = require('fs-extra');
var when = require('when');
var fspath = require("path");
var nodeFn = require('when/node/function');
var crypto = require('crypto');
var storageSettings = require("../settings");
var util = require("../util");
var gitTools = require("./git");
var sshTools = require("./ssh");
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var Projects = require("./Project");
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var settings;
var runtime;
var log;
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var projectsEnabled = false;
var projectLogMessages = [];
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var projectsDir;
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var activeProject
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var globalGitUser = false;
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function init(_settings, _runtime) {
settings = _settings;
runtime = _runtime;
log = runtime.log;
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try {
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if (settings.editorTheme.projects.enabled === true) {
projectLogMessages.push(log._("storage.localfilesystem.projects.disabled"))
projectsEnabled = true;
} else if (settings.editorTheme.projects.enabled === false) {
projectLogMessages.push(log._("storage.localfilesystem.projects.disabled"))
}
} catch(err) {
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projectLogMessages.push(log._("storage.localfilesystem.projects.disabledNoFlag"))
projectsEnabled = false;
}
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if (settings.flowFile) {
flowsFile = settings.flowFile;
// handle Unix and Windows "C:\"
if ((flowsFile[0] == "/") || (flowsFile[1] == ":")) {
// Absolute path
flowsFullPath = flowsFile;
} else if (flowsFile.substring(0,2) === "./") {
// Relative to cwd
flowsFullPath = fspath.join(process.cwd(),flowsFile);
} else {
try {
fs.statSync(fspath.join(process.cwd(),flowsFile));
// Found in cwd
flowsFullPath = fspath.join(process.cwd(),flowsFile);
} catch(err) {
// Use userDir
flowsFullPath = fspath.join(settings.userDir,flowsFile);
}
}
} else {
flowsFile = 'flows_'+require('os').hostname()+'.json';
flowsFullPath = fspath.join(settings.userDir,flowsFile);
}
var ffExt = fspath.extname(flowsFullPath);
var ffBase = fspath.basename(flowsFullPath,ffExt);
flowsFileBackup = getBackupFilename(flowsFullPath);
credentialsFile = fspath.join(settings.userDir,ffBase+"_cred"+ffExt);
credentialsFileBackup = getBackupFilename(credentialsFile)
var setupProjectsPromise;
if (projectsEnabled) {
return sshTools.init(settings,runtime).then(function() {
gitTools.init(_settings, _runtime).then(function(gitConfig) {
if (!gitConfig) {
projectLogMessages.push(log._("storage.localfilesystem.projects.git-not-found"))
projectsEnabled = false;
} else {
globalGitUser = gitConfig.user;
Projects.init(settings,runtime);
sshTools.init(settings,runtime);
projectsDir = fspath.join(settings.userDir,"projects");
if (!settings.readOnly) {
return fs.ensureDir(projectsDir)
//TODO: this is accessing settings from storage directly as settings
// has not yet been initialised. That isn't ideal - can this be deferred?
.then(storageSettings.getSettings)
.then(function(globalSettings) {
var saveSettings = false;
if (!globalSettings.projects) {
globalSettings.projects = {
projects: {}
}
saveSettings = true;
} else {
activeProject = globalSettings.projects.activeProject;
}
if (settings.flowFile) {
if (globalSettings.projects.projects.hasOwnProperty(settings.flowFile)) {
activeProject = settings.flowFile;
globalSettings.projects.activeProject = settings.flowFile;
saveSettings = true;
}
}
if (!activeProject) {
projectLogMessages.push(log._("storage.localfilesystem.no-active-project"))
}
if (saveSettings) {
return storageSettings.saveSettings(globalSettings);
}
});
}
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}
});
});
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}
return Promise.resolve();
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}
function getUserGitSettings(user) {
var userSettings = settings.getUserSettings(user)||{};
return userSettings.git;
}
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function getBackupFilename(filename) {
var ffName = fspath.basename(filename);
var ffDir = fspath.dirname(filename);
return fspath.join(ffDir,"."+ffName+".backup");
}
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function loadProject(name) {
return Projects.get(name).then(function(project) {
activeProject = project;
flowsFullPath = project.getFlowFile();
flowsFileBackup = project.getFlowFileBackup();
credentialsFile = project.getCredentialsFile();
credentialsFileBackup = project.getCredentialsFileBackup();
return project;
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})
}
function listProjects(user) {
return Projects.list();
}
function getProject(user, name) {
checkActiveProject(name);
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//return when.resolve(activeProject.info);
var username;
if (!user) {
username = "_";
} else {
username = user.username;
}
return Projects.get(name).then(function(project) {
return project.toJSON();
});
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}
function deleteProject(user, name) {
return Projects.delete(user, name);
}
function checkActiveProject(project) {
if (!activeProject || activeProject.name !== project) {
//TODO: throw better err
throw new Error("Cannot operate on inactive project wanted:"+project+" current:"+(activeProject&&activeProject.name));
}
}
function getFiles(user, project) {
checkActiveProject(project);
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return activeProject.getFiles();
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}
function stageFile(user, project,file) {
checkActiveProject(project);
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return activeProject.stageFile(file);
}
function unstageFile(user, project,file) {
checkActiveProject(project);
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return activeProject.unstageFile(file);
}
function commit(user, project,options) {
checkActiveProject(project);
return activeProject.commit(user, options);
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}
function getFileDiff(user, project,file,type) {
checkActiveProject(project);
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return activeProject.getFileDiff(file,type);
}
function getCommits(user, project,options) {
checkActiveProject(project);
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return activeProject.getCommits(options);
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}
function getCommit(user, project,sha) {
checkActiveProject(project);
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return activeProject.getCommit(sha);
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}
function getFile(user, project,filePath,sha) {
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checkActiveProject(project);
return activeProject.getFile(filePath,sha);
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}
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function revertFile(user, project,filePath) {
checkActiveProject(project);
return activeProject.revertFile(filePath).then(function() {
return reloadActiveProject("revert");
})
}
function push(user, project,remoteBranchName,setRemote) {
checkActiveProject(project);
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return activeProject.push(user,remoteBranchName,setRemote);
}
function pull(user, project,remoteBranchName,setRemote) {
checkActiveProject(project);
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return activeProject.pull(user,remoteBranchName,setRemote).then(function() {
return reloadActiveProject("pull");
});
}
function getStatus(user, project) {
checkActiveProject(project);
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return activeProject.status(user);
}
function resolveMerge(user, project,file,resolution) {
checkActiveProject(project);
return activeProject.resolveMerge(file,resolution);
}
function abortMerge(user, project) {
checkActiveProject(project);
return activeProject.abortMerge().then(function() {
return reloadActiveProject("abort-merge")
});
}
function getBranches(user, project,isRemote) {
checkActiveProject(project);
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return activeProject.getBranches(user, isRemote);
}
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function deleteBranch(user, project, branch, isRemote, force) {
checkActiveProject(project);
return activeProject.deleteBranch(user, branch, isRemote, force);
}
function setBranch(user, project,branchName,isCreate) {
checkActiveProject(project);
return activeProject.setBranch(branchName,isCreate).then(function() {
return reloadActiveProject("change-branch");
});
}
function getBranchStatus(user, project,branchName) {
checkActiveProject(project);
return activeProject.getBranchStatus(branchName);
}
function getRemotes(user, project) {
checkActiveProject(project);
return activeProject.getRemotes(user);
}
function addRemote(user, project, options) {
checkActiveProject(project);
return activeProject.addRemote(user, options.name, options);
}
function removeRemote(user, project, remote) {
checkActiveProject(project);
return activeProject.removeRemote(user, remote);
}
function updateRemote(user, project, remote, body) {
checkActiveProject(project);
return activeProject.updateRemote(user, remote, body);
}
function getActiveProject(user) {
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return activeProject;
}
function reloadActiveProject(action) {
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return runtime.nodes.stopFlows().then(function() {
return runtime.nodes.loadFlows(true).then(function() {
runtime.events.emit("runtime-event",{id:"project-update", payload:{ project: activeProject.name, action:action}});
}).catch(function(err) {
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// We're committed to the project change now, so notify editors
// that it has changed.
runtime.events.emit("runtime-event",{id:"project-update", payload:{ project: activeProject.name, action:action}});
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throw err;
});
});
}
function createProject(user, metadata) {
// var userSettings = getUserGitSettings(user);
if (metadata.files && metadata.files.migrateFiles) {
// We expect there to be no active project in this scenario
if (activeProject) {
throw new Error("Cannot migrate as there is an active project");
}
var currentEncryptionKey = settings.get('credentialSecret');
if (currentEncryptionKey === undefined) {
currentEncryptionKey = settings.get('_credentialSecret');
}
if (!metadata.hasOwnProperty('credentialSecret')) {
metadata.credentialSecret = currentEncryptionKey;
}
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if (!metadata.files.flow) {
metadata.files.flow = fspath.basename(flowsFullPath);
}
if (!metadata.files.credentials) {
metadata.files.credentials = fspath.basename(credentialsFile);
}
metadata.files.oldFlow = flowsFullPath;
metadata.files.oldCredentials = credentialsFile;
metadata.files.credentialSecret = currentEncryptionKey;
}
return Projects.create(null,metadata).then(function(p) {
return setActiveProject(user, p.name);
}).then(function() {
return getProject(user, metadata.name);
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})
}
function setActiveProject(user, projectName) {
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return loadProject(projectName).then(function(project) {
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var globalProjectSettings = settings.get("projects");
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globalProjectSettings.activeProject = project.name;
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return settings.set("projects",globalProjectSettings).then(function() {
log.info(log._("storage.localfilesystem.projects.changing-project",{project:(activeProject&&activeProject.name)||"none"}));
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log.info(log._("storage.localfilesystem.flows-file",{path:flowsFullPath}));
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// console.log("Updated file targets to");
// console.log(flowsFullPath)
// console.log(credentialsFile)
return reloadActiveProject("loaded");
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})
});
}
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function initialiseProject(user, project, data) {
if (!activeProject || activeProject.name !== project) {
// TODO standardise
throw new Error("Cannot initialise inactive project");
}
return activeProject.initialise(user,data).then(function(result) {
flowsFullPath = activeProject.getFlowFile();
flowsFileBackup = activeProject.getFlowFileBackup();
credentialsFile = activeProject.getCredentialsFile();
credentialsFileBackup = activeProject.getCredentialsFileBackup();
runtime.nodes.setCredentialSecret(activeProject.credentialSecret);
return reloadActiveProject("updated");
});
}
function updateProject(user, project, data) {
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if (!activeProject || activeProject.name !== project) {
// TODO standardise
throw new Error("Cannot update inactive project");
}
// In case this triggers a credential secret change
var isReset = data.resetCredentialSecret;
var wasInvalid = activeProject.credentialSecretInvalid;
return activeProject.update(user,data).then(function(result) {
if (result.flowFilesChanged) {
flowsFullPath = activeProject.getFlowFile();
flowsFileBackup = activeProject.getFlowFileBackup();
credentialsFile = activeProject.getCredentialsFile();
credentialsFileBackup = activeProject.getCredentialsFileBackup();
return reloadActiveProject("updated");
} else if (result.credentialSecretChanged) {
if (isReset || !wasInvalid) {
if (isReset) {
runtime.nodes.clearCredentials();
}
runtime.nodes.setCredentialSecret(activeProject.credentialSecret);
return runtime.nodes.exportCredentials()
.then(runtime.storage.saveCredentials)
.then(function() {
if (wasInvalid) {
return reloadActiveProject("updated");
}
});
} else if (wasInvalid) {
return reloadActiveProject("updated");
}
}
});
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}
function setCredentialSecret(data) { //existingSecret,secret) {
var isReset = data.resetCredentialSecret;
var wasInvalid = activeProject.credentialSecretInvalid;
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return activeProject.update(data).then(function() {
if (isReset || !wasInvalid) {
if (isReset) {
runtime.nodes.clearCredentials();
}
runtime.nodes.setCredentialSecret(activeProject.credentialSecret);
return runtime.nodes.exportCredentials()
.then(runtime.storage.saveCredentials)
.then(function() {
if (wasInvalid) {
return reloadActiveProject("updated");
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}
});
} else if (wasInvalid) {
return reloadActiveProject("updated");
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}
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})
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}
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var initialFlowLoadComplete = false;
var flowsFile;
var flowsFullPath;
var flowsFileBackup;
var credentialsFile;
var credentialsFileBackup;
function getFlows() {
if (!initialFlowLoadComplete) {
initialFlowLoadComplete = true;
log.info(log._("storage.localfilesystem.user-dir",{path:settings.userDir}));
if (activeProject) {
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// At this point activeProject will be a string, so go load it and
// swap in an instance of Project
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return loadProject(activeProject).then(function() {
log.info(log._("storage.localfilesystem.projects.active-project",{project:activeProject.name||"none"}));
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log.info(log._("storage.localfilesystem.flows-file",{path:flowsFullPath}));
return getFlows();
});
} else {
if (projectsEnabled) {
log.warn(log._("storage.localfilesystem.projects.no-active-project"))
} else {
projectLogMessages.forEach(log.warn);
}
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log.info(log._("storage.localfilesystem.flows-file",{path:flowsFullPath}));
}
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}
if (activeProject) {
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var error;
if (activeProject.isEmpty()) {
log.warn("Project repository is empty");
error = new Error("Project repository is empty");
error.code = "project_empty";
return when.reject(error);
}
if (!activeProject.getFlowFile()) {
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log.warn("Project has no flow file");
error = new Error("Project has no flow file");
error.code = "missing_flow_file";
return when.reject(error);
}
}
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return util.readFile(flowsFullPath,flowsFileBackup,[],'flow');
}
function saveFlows(flows) {
if (settings.readOnly) {
return when.resolve();
}
try {
fs.renameSync(flowsFullPath,flowsFileBackup);
} catch(err) {
}
var flowData;
if (settings.flowFilePretty) {
flowData = JSON.stringify(flows,null,4);
} else {
flowData = JSON.stringify(flows);
}
return util.writeFile(flowsFullPath, flowData);
}
function getCredentials() {
return util.readFile(credentialsFile,credentialsFileBackup,{},'credentials');
}
function saveCredentials(credentials) {
if (settings.readOnly) {
return when.resolve();
}
try {
fs.renameSync(credentialsFile,credentialsFileBackup);
} catch(err) {
}
var credentialData;
if (settings.flowFilePretty) {
credentialData = JSON.stringify(credentials,null,4);
} else {
credentialData = JSON.stringify(credentials);
}
return util.writeFile(credentialsFile, credentialData);
}
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function getFlowFilename() {
if (flowsFullPath) {
return fspath.basename(flowsFullPath);
}
}
function getCredentialsFilename() {
if (flowsFullPath) {
return fspath.basename(credentialsFile);
}
}
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module.exports = {
init: init,
listProjects: listProjects,
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getActiveProject: getActiveProject,
setActiveProject: setActiveProject,
getProject: getProject,
deleteProject: deleteProject,
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createProject: createProject,
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initialiseProject: initialiseProject,
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updateProject: updateProject,
getFiles: getFiles,
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getFile: getFile,
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revertFile: revertFile,
stageFile: stageFile,
unstageFile: unstageFile,
commit: commit,
getFileDiff: getFileDiff,
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getCommits: getCommits,
getCommit: getCommit,
push: push,
pull: pull,
getStatus:getStatus,
resolveMerge: resolveMerge,
abortMerge: abortMerge,
getBranches: getBranches,
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deleteBranch: deleteBranch,
setBranch: setBranch,
getBranchStatus:getBranchStatus,
getRemotes: getRemotes,
addRemote: addRemote,
removeRemote: removeRemote,
updateRemote: updateRemote,
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getFlowFilename: getFlowFilename,
getCredentialsFilename: getCredentialsFilename,
getGlobalGitUser: function() { return globalGitUser },
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getFlows: getFlows,
saveFlows: saveFlows,
getCredentials: getCredentials,
saveCredentials: saveCredentials,
ssh: sshTools
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};