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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");
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var Projects = require("./Project");
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var settings;
var runtime;
var projectsDir;
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var activeProject
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function init(_settings, _runtime) {
settings = _settings;
runtime = _runtime;
log = runtime.log;
gitTools.init(_settings, _runtime);
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Projects.init(settings,runtime);
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projectsDir = fspath.join(settings.userDir,"projects");
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)
if (!settings.readOnly) {
return fs.ensureDir(projectsDir)
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//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) {
if (!globalSettings.projects) {
// TODO: Migration Case
console.log("TODO: Migration from single file to project");
globalSettings.projects = {
activeProject: "",
projects: {}
}
return storageSettings.saveSettings(globalSettings);
} else {
activeProject = globalSettings.projects.activeProject;
}
});
} else {
return when.resolve();
}
}
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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})
}
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function getProject(name) {
checkActiveProject(name);
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//return when.resolve(activeProject.info);
return Projects.get(name);
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}
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));
}
}
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function getFiles(project) {
checkActiveProject(project);
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return activeProject.getFiles();
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}
function stageFile(project,file) {
checkActiveProject(project);
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return activeProject.stageFile(file);
}
function unstageFile(project,file) {
checkActiveProject(project);
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return activeProject.unstageFile(file);
}
function commit(project,options) {
checkActiveProject(project);
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return activeProject.commit(options);
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}
function getFileDiff(project,file,type) {
checkActiveProject(project);
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return activeProject.getFileDiff(file,type);
}
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function getCommits(project,options) {
checkActiveProject(project);
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return activeProject.getCommits(options);
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}
function getCommit(project,sha) {
checkActiveProject(project);
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return activeProject.getCommit(sha);
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}
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function getFile(project,filePath,sha) {
checkActiveProject(project);
return activeProject.getFile(filePath,sha);
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}
function push(project,remoteBranchName,setRemote) {
checkActiveProject(project);
return activeProject.push(remoteBranchName,setRemote);
}
function pull(project,remoteBranchName,setRemote) {
checkActiveProject(project);
return activeProject.pull(remoteBranchName,setRemote).then(reloadActiveProject);
}
function getStatus(project) {
checkActiveProject(project);
return activeProject.status();
}
function resolveMerge(project,file,resolution) {
checkActiveProject(project);
return activeProject.resolveMerge(file,resolution);
}
function abortMerge(project) {
checkActiveProject(project);
return activeProject.abortMerge().then(reloadActiveProject);
}
function getBranches(project,remote) {
checkActiveProject(project);
return activeProject.getBranches(remote);
}
function setBranch(project,branchName,isCreate) {
checkActiveProject(project);
return activeProject.setBranch(branchName,isCreate).then(reloadActiveProject);
}
function getBranchStatus(project,branchName) {
checkActiveProject(project);
return activeProject.getBranchStatus(branchName);
}
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function getActiveProject() {
return activeProject;
}
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function reloadActiveProject() {
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return runtime.nodes.stopFlows().then(function() {
return runtime.nodes.loadFlows(true).then(function() {
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runtime.events.emit("runtime-event",{id:"project-change",payload:{ project: activeProject.name}});
}).catch(function(err) {
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// We're committed to the project change now, so notify editors
// that it has changed.
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runtime.events.emit("runtime-event",{id:"project-change",payload:{ project: activeProject.name}});
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throw err;
});
});
}
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function createProject(metadata) {
return Projects.create(metadata).then(function(p) {
return setActiveProject(p.name);
}).then(function() {
return getProject(metadata.name);
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})
}
function setActiveProject(projectName) {
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.changing-project",{project:activeProject||"none"}));
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();
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})
});
}
function updateProject(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(data).then(function(result) {
if (result.flowFilesChanged) {
flowsFullPath = activeProject.getFlowFile();
flowsFileBackup = activeProject.getFlowFileBackup();
credentialsFile = activeProject.getCredentialsFile();
credentialsFileBackup = activeProject.getCredentialsFileBackup();
return reloadActiveProject();
} 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();
}
});
} else if (wasInvalid) {
return reloadActiveProject();
}
}
});
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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();
}
});
} else if (wasInvalid) {
return reloadActiveProject();
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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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return loadProject(activeProject).then(function() {
log.info(log._("storage.localfilesystem.active-project",{project:activeProject.name||"none"}));
log.info(log._("storage.localfilesystem.flows-file",{path:flowsFullPath}));
return getFlows();
});
} else {
log.info(log._("storage.localfilesystem.flows-file",{path:flowsFullPath}));
}
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}
if (activeProject) {
if (!activeProject.getFlowFile()) {
log.warn("NLS: project has no flow file");
var error = new Error("NLS: 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);
}
module.exports = {
init: init,
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listProjects: Projects.list,
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getActiveProject: getActiveProject,
setActiveProject: setActiveProject,
getProject: getProject,
createProject: createProject,
updateProject: updateProject,
getFiles: getFiles,
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getFile: getFile,
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,
setBranch: setBranch,
getBranchStatus:getBranchStatus,
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getFlows: getFlows,
saveFlows: saveFlows,
getCredentials: getCredentials,
saveCredentials: saveCredentials
};