133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
/* Copyright (c) 2018 Albert S.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "handlerpageedit.h"
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#include "../database/exceptions.h"
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#include "../request.h"
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#include "../parser.h"
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bool HandlerPageEdit::canAccess(std::string page)
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{
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return this->userSession->user.permissions.canEdit();
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}
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bool HandlerPageEdit::pageMustExist()
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{
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return false;
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}
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Response HandlerPageEdit::handleRequest(PageDao &pageDao, std::string pagename, const Request &r)
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{
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bool pageexists = pageDao.exists(pagename);
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if(!pageexists && !this->userSession->user.permissions.canCreate())
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{
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return errorResponse("No permission", "You don't have permission to create new pages");
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}
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auto revisiondao = this->database->createRevisionDao();
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auto revision = this->database->createRevisionDao()->getCurrentForPage(pagename);
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std::string body;
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unsigned int current_revision = 0;
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if(revision)
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{
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body = revision->content;
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current_revision = revision->revision;
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}
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if(r.getRequestMethod() == "POST")
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{
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if(r.post("do") == "submit")
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{
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std::string newContent = r.post("content");
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std::string newComment = r.post("comment");
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// TODO: must check, whether categories differ, and perhaps don't allow every user
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// to set categories
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Parser parser;
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std::vector<std::string> cats = parser.extractCategories(newContent);
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try
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{
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this->database->beginTransaction();
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std::string visiblecmd = parser.extractCommand("visible", newContent);
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std::string rename = parser.extractCommand("rename", newContent);
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Page page;
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std::optional<Page> currentPage = pageDao.find(pagename);
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if(currentPage)
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{
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page = *currentPage;
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}
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if(rename != "")
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{
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if(newComment == "")
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{
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newComment = "(renamed) from " + pagename + " to " + rename;
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}
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pagename = rename;
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}
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page.current_revision = current_revision;
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page.listed = !(visiblecmd == "0");
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page.name = pagename;
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pageDao.save(page);
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Revision newRevision;
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newRevision.author = this->userSession->user.login;
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newRevision.comment = newComment;
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newRevision.page = pagename;
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newRevision.content = newContent;
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revisiondao->save(newRevision);
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pageDao.setCategories(pagename, cats);
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this->database->commitTransaction();
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this->cache->removePrefix("page:"); // TODO: overkill?
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}
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catch(const DatabaseException &e)
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{
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Logger::debug() << "Error saving revision: " << e.what();
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return errorResponse("Database error", "A database error occured while trying to save this revision");
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}
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return Response::redirectTemporarily(urlProvider->page(pagename));
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}
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if(r.post("do") == "preview")
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{
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std::string newContent = r.post("content");
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Parser parser;
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TemplatePage templatePage = this->templ->getPage("page_creation_preview");
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templatePage.setVar("actionurl", urlProvider->editPage(pagename));
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templatePage.setVar("preview_content", parser.parse(pageDao, *this->urlProvider, newContent));
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templatePage.setVar("content", newContent);
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setPageVars(templatePage, pagename);
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templatePage.setVar("title", createPageTitle("Preview: " + pagename));
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Response response;
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response.setBody(templatePage.render());
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return response;
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}
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}
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TemplatePage &templatePage = this->templ->getPage("page_creation");
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templatePage.setVar("actionurl", urlProvider->editPage(pagename));
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templatePage.setVar("content", body);
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setPageVars(templatePage, pagename);
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templatePage.setVar("title", createPageTitle("Edit: " + pagename));
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Response response;
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response.setBody(templatePage.render());
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return response;
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}
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