public async Task <ActionResult> Create(BlogEdit blog, [FromServices] HtmlSanitizerService sanitizerService)
{
ViewBag.CategoryList = _catUtil.GetCategoryDropdown();
ViewBag.UserHanGroup = GetUserHanGroup();
string content = blog.Content;
bool isLocalimg = false;
Blog newblog;
List <string> imglist = null;
try
{
if (!ModelState.IsValid)
{
throw new BlogException();
}
if (content == null || string.IsNullOrWhiteSpace(BlogHelper.removeAllTags(content)))
{
ModelState.AddModelError("", "内容不能为空或纯图片");
throw new BlogException();
}
if (NolinkCategories == null || !NolinkCategories.Contains(blog.CategoryID))
{
if (blog.BlogLinks == null)
{
ModelState.AddModelError("", "链接地址不能为空");
throw new BlogException();
}
else
{
blog.BlogLinks = blog.BlogLinks.Where(b => !string.IsNullOrWhiteSpace(b.url)).ToArray();
if (!BlogHelper.checkBlogLinks(blog.BlogLinks))
{
ModelState.AddModelError("", "链接地址不能为空，且不得包含javascript");
throw new BlogException();
}
}
}
if (!_blogUtil.CheckAdmin())
{
content = sanitizerService.Sanitize(content);
}
if (blog.HanGroupID.HasValue && !_db.HanGroupMembers.Any(h => h.Username == User.Identity.Name && h.HanGroupID == blog.HanGroupID))
{
ModelState.AddModelError("", "汉化组ID无效，请刷新重试。");
throw new BlogException();
}
List <IFormFile> BlogImages = new List <IFormFile>();
if (Request.Form.Files.Count > 0)
{
for (int i = 0; i < Request.Form.Files.Count; i++)
{
var file = Request.Form.Files[i];
if (file.Length > 0)
{
if (!file.ContentType.Contains("image"))
{
ModelState.AddModelError("", "不接受的文件类型");
throw new BlogException();
}
else if (file.Length > 1048576 * 4)
{
ModelState.AddModelError("", "文件不得超过4MB");
throw new BlogException();
}
isLocalimg = true;
BlogImages.Add(file);
}
else
{
content = BlogHelper.removeImgPlaceholder(content, i);
}
}
}
if (!isLocalimg)
{
var imgname = BlogHelper.getFirstImg(content);
if (imgname == null || imgname.Length < 5)
{
ModelState.AddModelError("", "请添加预览图！（上传或在文中外链图片）");
throw new BlogException();
}
imglist = new List <string>()
{
imgname
};
}
else
{
try
{
imglist = await _uploadUtil.SaveImagesAsync(BlogImages);
}
catch (Exception e)
{
ModelState.AddModelError("", "保存图片时发生异常：(" + e.Message + ")。如多次出错，请汇报给管理员。");
throw new BlogException(e.Message, e);
}
if (imglist.Count < 1)
{
ModelState.AddModelError("", "图片服务器上传出错，请稍后再试。如多次出错，请汇报给管理员。");
throw new BlogException();
}
}
string imgpath = string.Empty;
if (imglist != null)
{
imgpath = string.Join(";", imglist);
}
bool approve = User.IsInRole("Administrator") || User.IsInRole("Writers") || User.IsInRole("Moderator");
// Replace 【】（） with []()
blog.BlogTitle = blog.BlogTitle.ToSingleByteCharacterString();
blog.ImagePath = imgpath;
content = BlogHelper.RemoveComments(content);
newblog = _blogUtil.AddBlog(blog.BlogTitle, content,
blog.CategoryID, imgpath, User.Identity.Name, approve, isLocalimg, blog.BlogLinks);
var taglist = new List <Tag>();
if (!string.IsNullOrEmpty(blog.BlogTags))
{
string[] tags = TagUtil.SplitTags(blog.BlogTags);
taglist = _tagUtil.AddTagsForBlog(newblog.BlogID, tags, newblog.Author);
}
var save = false;
if (BlogHelper.BlogIsHarmony(_db, newblog, HarmonySettings))
{
newblog.isHarmony = true;
save = true;
}
if (blog.HanGroupID.HasValue)
{
_db.HanGroupBlogs.Add(new HanGroupBlog {
BlogID = newblog.BlogID, HanGroupID = blog.HanGroupID.Value
});
save = true;
}
if (blog.Option != null && !blog.Option.IsDefault())
{
newblog.option = blog.Option.OverrideOption(_blogUtil);
if (newblog.option.NoApprove)
{
newblog.isApproved = false;
}
save = true;
}
if (save)
{
_db.SaveChanges();
}
TriggerNewBlog(newblog, taglist);
}
catch (BlogException e)
{
if (Request.IsAjaxRequest())
{
return(Json(new
{
err = e.Message + string.Join(";", ModelState.Values.SelectMany(m => m.Errors)
.Select(err => err.ErrorMessage)
.ToList())
}));
}
return(View(blog));
}
catch
{
if (isLocalimg && imglist != null)
{
await _uploadUtil.DeleteFilesAsync(imglist.Concat(new[] { blog.ImagePath.Split(';')[0].Replace("/upload/", "/thumbs/") }));
}
throw;
}
if (Request.IsAjaxRequest())
{
return(Json(new { id = newblog.BlogID, src = BlogHelper.firstImgPath(newblog, true) }));
}
return(RedirectToAction("Details", new { id = newblog.BlogID }));
}
public async Task <ActionResult> Edit(int id, TopicEdit etopic, [FromServices] HtmlSanitizerService sanitizerService)
{
etopic.LoadBlog(_db);
ViewBag.CategoryID = new SelectList(_catUtil.GetCategoryList(), "CategoryID", "CategoryName", etopic.CategoryID);
int ret = TagUtil.CheckBlogTag(etopic.TagName, 1);
if (ret != 0)
{
ModelState.AddModelError("", ret > 0 ? "专题标签只能有1个" : "标签不得超过20个字符");
}
else if (!_blogUtil.CheckAdmin())
{
etopic.Content = sanitizerService.Sanitize(etopic.Content);
}
else if (ModelState.IsValid)
{
var topic = _db.Topics.Find(id);
bool uploadsaved = false;
bool bannersaved = false;
var blogcurrent = _db.BlogsInTopics.Where(bi => bi.TopicID == id).ToList();
foreach (var blog in blogcurrent)
{
_db.BlogsInTopics.Remove(blog);
}
int i = 0;
foreach (var bid in etopic.BlogIDs.Distinct())
{
var b = etopic.Blogs.SingleOrDefault(bb => bb.BlogID == bid);
if (b == null)
{
ModelState.AddModelError("", "未找到ID编号为" + bid + "的资源");
return(View(topic));
}
var blogintopic = new BlogsInTopic {
blog = b, topic = topic, BlogOrder = i++
};
_db.BlogsInTopics.Add(blogintopic);
}
if (topic.tag.TagName != etopic.TagName)
{
var tag = _db.Tags.SingleOrDefault(t => t.TagName == etopic.TagName);
if (tag == null)
{
tag = new Tag {
TagName = etopic.TagName
};
}
topic.tag = tag;
}
try
{
var originalImage = topic.ImagePath;
var originalBanner = topic.BannerPath;
bool shouldDeleteOldImage = false;
bool shouldDeleteOldBanner = string.IsNullOrWhiteSpace(etopic.BannerPath);
if (etopic.TopicImage != null)
{
shouldDeleteOldImage = topic.isLocalImg;
topic.isLocalImg = true;
var imglist = await _uploadUtil.SaveImagesAsync(new IFormFile[] { etopic.TopicImage }, true);
if (imglist.Count < 1)
{
ModelState.AddModelError("", "保存图片时发生异常。请尝试转换图片格式后再次上传。如多次出错，请汇报给管理员。");
return(View(etopic));
}
topic.ImagePath = imglist[0];
uploadsaved = true;
}
else if (!topic.isLocalImg || (topic.isLocalImg && !etopic.IsLocalImg))
{
string imgname = BlogHelper.getFirstImg(etopic.Content);
if (imgname == null || imgname.Length < 5)
{
ModelState.AddModelError("", "请添加预览图！（上传或在文中外链图片）");
return(View(etopic));
}
shouldDeleteOldImage = !etopic.IsLocalImg;
topic.isLocalImg = false;
topic.ImagePath = imgname;
}
if (etopic.TopicBanner != null)
{
var imglist = await _uploadUtil.SaveImagesAsync(new IFormFile[] { etopic.TopicBanner }, false);
if (imglist.Count < 1)
{
ModelState.AddModelError("", "图片服务器上传出错，请尝试转换图片格式后再次上传。如多次出错，请汇报给管理员。");
return(View(topic));
}
shouldDeleteOldBanner = true;
bannersaved = true;
topic.BannerPath = imglist[0];
}
else
{
topic.BannerPath = etopic.BannerPath;
}
if (shouldDeleteOldBanner && !string.IsNullOrWhiteSpace(originalBanner))
{
await _uploadUtil.DeleteFileAsync(originalBanner);
}
if (shouldDeleteOldImage && !string.IsNullOrWhiteSpace(originalImage))
{
await _uploadUtil.DeleteFilesAsync(new[] { originalImage, originalImage.Replace("/upload/", "/thumbs/") });
}
topic.UpdateDate = DateTime.Now;
topic.TopicTitle = etopic.TopicTitle;
topic.CategoryID = etopic.CategoryID;
var mention = new MentionHandler(_udb);
topic.Content = mention.ParseMentions(BlogHelper.RemoveComments(etopic.Content));
mention.SendMentionMsg(_msgUtil, User.Identity.Name, etopic.TopicTitle, Url.Action("Details", new { id = topic.TopicID }));
_db.Entry(topic).State = EntityState.Modified;
_db.SaveChanges();
TriggerEditTopic(topic);
if (User.Identity.Name != topic.Author)
{
_adminUtil.log(User.Identity.Name, "edittopic", topic.TopicID.ToString());
}
}
catch
{
if (uploadsaved)
{
await _uploadUtil.DeleteFilesAsync(new[] { topic.ImagePath, topic.ImagePath.Replace("/upload/", "/thumbs/") });
}
if (bannersaved)
{
await _uploadUtil.DeleteFileAsync(topic.BannerPath);
}
throw;
}
return(RedirectToAction("Details", new { id }));
}
return(View(etopic));
}