private string GetDiffHtml(string text1, string text2)
{
HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(text1, text2);
// Lets add a block expression to group blocks we care about (such as dates)
diffHelper.AddBlockExpression(new System.Text.RegularExpressions.Regex(@"[\d]{1,2}[\s]*(Jan|Feb)[\s]*[\d]{4}", System.Text.RegularExpressions.RegexOptions.IgnoreCase));
return(diffHelper.Build());
}
public override void Process(object sender, EventArgs e)
{
try
{
Item item = Event.ExtractParameter<Item>(e, 0);
ItemChanges changes = Event.ExtractParameter<ItemChanges>(e, 1);
StringBuilder sb = new StringBuilder("<table><th>Field</th><th>Change</th>");
bool flag = false;
foreach (FieldChange fieldChange in changes.FieldChanges)
{
Field field = item.Fields[fieldChange.FieldID];
if (field.Name != "__Updated" && field.Name != "__Revision" && field.Name != "__Updated by" && fieldChange.OriginalValue != field.Value)
{
flag = true;
sb.Append("<tr><td>");
sb.Append(Cleanse(field.Name));
sb.Append("</td><td>");
HtmlDiff.HtmlDiff diff = new HtmlDiff.HtmlDiff(fieldChange.OriginalValue, field.Value);
sb.Append(diff.Build());
sb.Append("</td></tr>");
}
}
if (!flag)
return;
sb.Append("</table>");
LogEvent(item, sb.ToString());
}
catch (Exception ex)
{
Log.Error("Problem auditing item save", ex, this);
}
}
public override void Process(object sender, EventArgs e)
{
try
{
Item item = Event.ExtractParameter <Item>(e, 0);
ItemChanges changes = Event.ExtractParameter <ItemChanges>(e, 1);
StringBuilder sb = new StringBuilder("<table><th>Field</th><th>Change</th>");
bool flag = false;
foreach (FieldChange fieldChange in changes.FieldChanges)
{
Field field = item.Fields[fieldChange.FieldID];
if (field.Name.StartsWith("__") && fieldChange.OriginalValue != field.Value)
{
flag = true;
sb.Append("<tr><td>");
sb.Append(Cleanse(field.Name));
sb.Append("</td><td>");
HtmlDiff.HtmlDiff diff = new HtmlDiff.HtmlDiff(fieldChange.OriginalValue, field.Value);
sb.Append(diff.Build());
sb.Append("</td></tr>");
}
}
if (!flag)
{
return;
}
sb.Append("</table>");
LogEvent(item, sb.ToString());
}
catch (Exception ex)
{
Log.Error("Problem auditing item save", ex, this);
}
}
protected void Page_Load(object sender, EventArgs e)
{
string oldText = @"<p><i>This is</i> some sample text to <strong>demonstrate</strong> the capability of the <strong>HTML diff tool</strong>.</p>
<p>It is based on the <b>Ruby</b> implementation found <a href='http://github.com/myobie/htmldiff'>here</a>. Note how the link has no tooltip</p>
<p>What about a number change: 123456?</p>
<table cellpadding='0' cellspacing='0'>
<tr><td>Some sample text</td><td>Some sample value</td></tr>
<tr><td>Data 1 (this row will be removed)</td><td>Data 2</td></tr>
</table>
Here is a number 2 32
<br><br>
This date: 1 Jan 2016 is about to change (note how it is treated as a block change!)";
string newText = @"<p>This is some sample <strong>text to</strong> demonstrate the awesome capabilities of the <strong>HTML <u>diff</u> tool</strong>.</p><br/><br/>Extra spacing here that was not here before.
<p>It is <i>based</i> on the Ruby implementation found <a title='Cool tooltip' href='http://github.com/myobie/htmldiff'>here</a>. Note how the link has a tooltip now and the HTML diff algorithm has preserved formatting.</p>
<p>What about a number change: 123356?</p>
<table cellpadding='0' cellspacing='0'>
<tr><td>Some sample <strong>bold text</strong></td><td>Some sample value</td></tr>
</table>
Here is a number 2 <sup>32</sup>
<br><br>
This date: 22 Feb 2017 is about to change (note how it is treated as a block change!)";
HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(oldText, newText);
litOldText.Text = oldText;
litNewText.Text = newText;
// Lets add a block expression to group blocks we care about (such as dates)
diffHelper.AddBlockExpression(new Regex(@"[\d]{1,2}[\s]*(Jan|Feb)[\s]*[\d]{4}", RegexOptions.IgnoreCase));
litDiffText.Text = diffHelper.Build();
}
public ActionResult PushMerge(PostMergeRequestInputDto dto)
{
if (RedisHelper.Get("code:" + dto.ModifierEmail) != dto.Code)
{
return(ResultData(null, false, "验证码错误！"));
}
var post = PostService.GetById(dto.PostId) ?? throw new NotFoundException("文章未找到");
var diff = new HtmlDiff.HtmlDiff(post.Content.RemoveHtmlTag(), dto.Content.RemoveHtmlTag());
if (post.Title.Equals(dto.Title) && !diff.Build().Contains("diffmod"))
{
return(ResultData(null, false, "内容未被修改！"));
}
#region 直接合并
if (post.Email.Equals(dto.ModifierEmail))
{
var history = post.Mapper <PostHistoryVersion>();
Mapper.Map(dto, post);
post.PostHistoryVersion.Add(history);
post.ModifyDate = DateTime.Now;
return(PostService.SaveChanges() > 0 ? ResultData(null, true, "你是文章原作者，无需审核，文章已自动更新并在首页展示！") : ResultData(null, false, "操作失败！"));
}
#endregion
var merge = post.PostMergeRequests.FirstOrDefault(r => r.Id == dto.Id && r.MergeState != MergeStatus.Merged);
if (merge != null)
{
Mapper.Map(dto, merge);
merge.SubmitTime = DateTime.Now;
merge.MergeState = MergeStatus.Pending;
}
else
{
merge = Mapper.Map <PostMergeRequest>(dto);
post.PostMergeRequests.Add(merge);
}
var b = PostService.SaveChanges() > 0;
if (!b)
{
return(ResultData(null, b, b ? "您的修改请求已提交，已进入审核状态，感谢您的参与！" : "操作失败！"));
}
RedisHelper.Expire("code:" + dto.ModifierEmail, 1);
MessageService.AddEntitySaved(new InternalMessage()
{
Title = $"来自【{dto.Modifier}】的文章修改合并请求",
Content = dto.Title,
Link = "#/merge/compare?id=" + merge.Id
});
var content = System.IO.File.ReadAllText(HostEnvironment.WebRootPath + "/template/merge-request.html").Replace("{{title}}", post.Title).Replace("{{link}}", Url.Action("Index", "Dashboard", new { }, Request.Scheme) + "#/merge/compare?id=" + merge.Id);
BackgroundJob.Enqueue(() => CommonHelper.SendMail("博客文章修改请求：", content, CommonHelper.SystemSettings["ReceiveEmail"]));
return(ResultData(null, b, b ? "您的修改请求已提交，已进入审核状态，感谢您的参与！" : "操作失败！"));
}
public IActionResult MergeCompare(int mid)
{
var newer = PostMergeRequestService.GetById(mid) ?? throw new NotFoundException("待合并文章未找到");
var old = newer.Post;
var diffHelper = new HtmlDiff.HtmlDiff(old.Content, newer.Content);
string diffOutput = diffHelper.Build();
old.Content = Regex.Replace(Regex.Replace(diffOutput, "<ins.+?</ins>", string.Empty), @"<\w+></\w+>", string.Empty);
newer.Content = Regex.Replace(Regex.Replace(diffOutput, "<del.+?</del>", string.Empty), @"<\w+></\w+>", string.Empty);
return(ResultData(new { old = old.Mapper <PostMergeRequestOutputDto>(), newer = newer.Mapper <PostMergeRequestOutputDto>() }));
}
public ActionResult CompareVersion(int id, int v1, int v2)
{
var main = PostBll.GetById(id).Mapper <PostHistoryVersion>();
var left = v1 <= 0 ? main : PostHistoryVersionBll.GetById(v1);
var right = v2 <= 0 ? main : PostHistoryVersionBll.GetById(v2);
HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(right.Content, left.Content);
string diffOutput = diffHelper.Build();
right.Content = Regex.Replace(Regex.Replace(diffOutput, "<ins.+?</ins>", string.Empty), @"<\w+></\w+>", string.Empty);
left.Content = Regex.Replace(Regex.Replace(diffOutput, "<del.+?</del>", string.Empty), @"<\w+></\w+>", string.Empty);
return(View(new[] { main, left, right }));
}
public string GetDifferenceData(int id, string templateVar)
{
var model = objprmdl.GetDiffData(id, templateVar);
if (model.Oldtemplate == null)
{
model.Oldtemplate = "";
}
var diffHelper = new HtmlDiff.HtmlDiff(model.Oldtemplate, model.Newtemplate);
var diff = diffHelper.Build();
return(diff);
}
public ActionResult CompareVersion(int id, int v1, int v2)
{
var main = PostService.Get(p => p.Id == id && (p.Status == Status.Pended || CurrentUser.IsAdmin)).Mapper <PostHistoryVersion>() ?? throw new NotFoundException("文章未找到");
var left = v1 <= 0 ? main : PostHistoryVersionService.Get(v => v.Id == v1) ?? throw new NotFoundException("文章未找到");
var right = v2 <= 0 ? main : PostHistoryVersionService.Get(v => v.Id == v2) ?? throw new NotFoundException("文章未找到");
main.Id = id;
var diff = new HtmlDiff.HtmlDiff(right.Content, left.Content);
var diffOutput = diff.Build();
right.Content = Regex.Replace(Regex.Replace(diffOutput, "<ins.+?</ins>", string.Empty), @"<\w+></\w+>", string.Empty);
left.Content = Regex.Replace(Regex.Replace(diffOutput, "<del.+?</del>", string.Empty), @"<\w+></\w+>", string.Empty);
return(View(new[] { main, left, right }));
}
public async Task <ActionResult> CompareVersion(int id, int v1, int v2)
{
var main = PostService.Get(p => p.Id == id && (p.Status == Status.Pended || CurrentUser.IsAdmin)).Mapper <PostHistoryVersion>() ?? throw new NotFoundException("文章未找到");
var left = v1 <= 0 ? main : await PostHistoryVersionService.GetAsync(v => v.Id == v1) ?? throw new NotFoundException("文章未找到");
var right = v2 <= 0 ? main : await PostHistoryVersionService.GetAsync(v => v.Id == v2) ?? throw new NotFoundException("文章未找到");
main.Id = id;
var diff = new HtmlDiff.HtmlDiff(right.Content, left.Content);
var diffOutput = diff.Build();
right.Content = Regex.Replace(Regex.Replace(diffOutput, "<ins.+?</ins>", string.Empty), @"<\w+></\w+>", string.Empty);
left.Content = Regex.Replace(Regex.Replace(diffOutput, "<del.+?</del>", string.Empty), @"<\w+></\w+>", string.Empty);
ViewBag.Ads = AdsService.GetsByWeightedPrice(2, AdvertiseType.InPage, main.CategoryId);
return(View(new[] { main, left, right }));
}
public string Diff(ScrapingResult result)
{
if (result?.Text == null)
{
return("Target is null");
}
if (result?.Text == Text)
{
return("Defference is not find.");
}
var diff = new HtmlDiff.HtmlDiff(result?.Text, Text);
var html = diff.Build();
return(html);
}
public string Index(string version1, string version2, string originalcontenttype)
{
version1 = HttpUtility.UrlDecode(Encoding.UTF8.GetString(Convert.FromBase64String(version1)));
version2 = HttpUtility.UrlDecode(Encoding.UTF8.GetString(Convert.FromBase64String(version2)));
HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(version1, version2);
var diffResult = diffHelper.Build();
string cssLink =
$"<link href=\"/{_episerverUiUrlHelper.GetEpiserverSegment()}/VisualCompareMode/ClientResources/Styles/DiffStyles.css\" media=\"all\" rel=\"stylesheet\" />";
diffResult = diffResult.Replace("</head>", cssLink + "</head>");
diffResult = diffResult.Replace("<del class='diffmod'><img",
"<del class='diffmod diff-image-deleted'><img");
diffResult = diffResult.Replace("<ins class='diffmod'><img",
"<ins class='diffmod diff-image-inserted'><img");
return(diffResult);
}
public ActionResult CompareVersion(int id, int v1, int v2)
{
var main = PostService.GetById(id).Mapper <PostHistoryVersion>();
main.Id = id;
var left = v1 <= 0 ? main : PostHistoryVersionService.GetById(v1);
var right = v2 <= 0 ? main : PostHistoryVersionService.GetById(v2);
if (left is null || right is null)
{
return(RedirectToAction("History", "Post", new { id }));
}
var diffHelper = new HtmlDiff.HtmlDiff(right.Content, left.Content);
string diffOutput = diffHelper.Build();
right.Content = Regex.Replace(Regex.Replace(diffOutput, "<ins.+?</ins>", string.Empty), @"<\w+></\w+>", string.Empty);
left.Content = Regex.Replace(Regex.Replace(diffOutput, "<del.+?</del>", string.Empty), @"<\w+></\w+>", string.Empty);
return(View(new[] { main, left, right }));
}
public async Task <ActionResult> CompareVersion(int id, int v1, int v2)
{
var post = await PostService.GetAsync(p => p.Id == id && (p.Status == Status.Published || CurrentUser.IsAdmin));
var main = post.Mapper <PostHistoryVersion>() ?? throw new NotFoundException("文章未找到");
CheckPermission(post);
var left = v1 <= 0 ? main : await PostHistoryVersionService.GetAsync(v => v.Id == v1) ?? throw new NotFoundException("文章未找到");
var right = v2 <= 0 ? main : await PostHistoryVersionService.GetAsync(v => v.Id == v2) ?? throw new NotFoundException("文章未找到");
main.Id = id;
var diff = new HtmlDiff.HtmlDiff(right.Content, left.Content);
var diffOutput = diff.Build();
right.Content = ReplaceVariables(Regex.Replace(Regex.Replace(diffOutput, "<ins.+?</ins>", string.Empty), @"<\w+></\w+>", string.Empty));
right.ModifyDate = right.ModifyDate.ToTimeZone(HttpContext.Session.Get <string>(SessionKey.TimeZone));
left.Content = ReplaceVariables(Regex.Replace(Regex.Replace(diffOutput, "<del.+?</del>", string.Empty), @"<\w+></\w+>", string.Empty));
left.ModifyDate = left.ModifyDate.ToTimeZone(HttpContext.Session.Get <string>(SessionKey.TimeZone));
ViewBag.Ads = AdsService.GetsByWeightedPrice(2, AdvertiseType.InPage, Request.Location(), main.CategoryId);
ViewBag.DisableCopy = post.DisableCopy;
return(View(new[] { main, left, right }));
}
protected void Page_Load(object sender, EventArgs e)
{
string oldText = @"<p><i>This is</i> some sample text to <strong>demonstrate</strong> the capability of the <strong>HTML diff tool</strong>.</p>
<p>It is based on the <b>Ruby</b> implementation found <a href='http://github.com/myobie/htmldiff'>here</a>. Note how the link has no tooltip</p>
<p>What about a number change: 123456?</p>
<table cellpadding='0' cellspacing='0'>
<tr><td>Some sample text</td><td>Some sample value</td></tr>
<tr><td>Data 1 (this row will be removed)</td><td>Data 2</td></tr>
</table>
Here is a number 2 32";
string newText = @"<p>This is some sample <strong>text to</strong> demonstrate the awesome capabilities of the <strong>HTML <u>diff</u> tool</strong>.</p><br/><br/>Extra spacing here that was not here before.
<p>It is <i>based</i> on the Ruby implementation found <a title='Cool tooltip' href='http://github.com/myobie/htmldiff'>here</a>. Note how the link has a tooltip now and the HTML diff algorithm has preserved formatting.</p>
<p>What about a number change: 123356?</p>
<table cellpadding='0' cellspacing='0'>
<tr><td>Some sample <strong>bold text</strong></td><td>Some sample value</td></tr>
</table>
Here is a number 2 <sup>32</sup>";
HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(oldText, newText);
litOldText.Text = oldText;
litNewText.Text = newText;
litDiffText.Text = diffHelper.Build();
}
protected void Page_Load(object sender, EventArgs e)
{
string oldText = @"<p><i>This is</i> some sample text to <strong>demonstrate</strong> the capability of the <strong>HTML diff tool</strong>.</p>
<p>It is based on the <b>Ruby</b> implementation found <a href='http://github.com/myobie/htmldiff'>here</a>. Note how the link has no tooltip</p>
<p>What about a number change: 123456?</p>
<table cellpadding='0' cellspacing='0'>
<tr><td>Some sample text</td><td>Some sample value</td></tr>
<tr><td>Data 1 (this row will be removed)</td><td>Data 2</td></tr>
</table>
Here is a number 2 32";
string newText = @"<p>This is some sample <strong>text to</strong> demonstrate the awesome capabilities of the <strong>HTML <u>diff</u> tool</strong>.</p><br/><br/>Extra spacing here that was not here before.
<p>It is <i>based</i> on the Ruby implementation found <a title='Cool tooltip' href='http://github.com/myobie/htmldiff'>here</a>. Note how the link has a tooltip now and the HTML diff algorithm has preserved formatting.</p>
<p>What about a number change: 123356?</p>
<table cellpadding='0' cellspacing='0'>
<tr><td>Some sample <strong>bold text</strong></td><td>Some sample value</td></tr>
</table>
Here is a number 2 <sup>32</sup>";
HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(oldText, newText);
litOldText.Text = oldText;
litNewText.Text = newText;
litDiffText.Text = diffHelper.Build();
}
public async Task <IActionResult> OnGetAsync(int textid)
{
var article = await articleService.GetAsync(textid);
var masterForArticle = (await articleService.BrowseAsync(1, null, article.Id, null)).SingleOrDefault();
ArticleDetailsDto masterForArticleDetails;
if (masterForArticle.Master != null)
{
masterForArticleDetails = await articleService.GetAsync(masterForArticle.Master.Id);
var diffHelper = new HtmlDiff.HtmlDiff(masterForArticleDetails.Master.Content, article.Master.Content);
ContentComparision = diffHelper.Build();
diffHelper = new HtmlDiff.HtmlDiff(masterForArticleDetails.Master.Title, article.Master.Title);
TitleComparision = diffHelper.Build();
}
if (!httpContextAccessor.HttpContext.User.IsInRole("Read") && article.Master.Status.Id != 1 && article.Master.Author.Id != UserId)
{
return(Forbid());
}
Article = CreateArticle(article);
var otherVersions = await articleService.BrowseAsync(null, null, article.Id, null);
OtherVersions = new List <ViewModels.Article>();
foreach (var item in otherVersions)
{
foreach (var text in item.Texts)
{
var art = new Article
{
Title = text.Title,
};
var tags = new List <TagFilter>();
foreach (var tag in text.Tags)
{
tags.Add(new TagFilter
{
Id = tag.Id,
Tag = tag.Tag,
Checked = true
});
}
art.ArticleId = item.Id;
art.TextId = text.Id;
art.Tags = tags;
art.Version = text.Version;
art.Status = new StatusFilter
{
Id = text.Status.Id,
Status = text.Status.Status,
Selected = false
};
if (item.Category != null)
{
art.Category = new CategoryFilter
{
Id = item.Category.Id,
Category = item.Category.Category
};
}
OtherVersions.Add(art);
}
}
return(Page());
}
private string GetDiffHtml(string text1, string text2)
{
HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(text1, text2);
return(diffHelper.Build());
}
public async Task <ActionResult> PushMerge([FromServices] IInternalMessageService messageService, [FromServices] IPostMergeRequestService postMergeRequestService, PostMergeRequestCommand dto)
{
if (await RedisHelper.GetAsync("code:" + dto.ModifierEmail) != dto.Code)
{
return(ResultData(null, false, "验证码错误！"));
}
var post = await PostService.GetByIdAsync(dto.PostId) ?? throw new NotFoundException("文章未找到");
var htmlDiff = new HtmlDiff.HtmlDiff(post.Content.RemoveHtmlTag(), dto.Content.RemoveHtmlTag());
var diff = htmlDiff.Build();
if (post.Title.Equals(dto.Title) && !diff.Contains(new[] { "diffmod", "diffdel", "diffins" }))
{
return(ResultData(null, false, "内容未被修改！"));
}
#region 合并验证
if (postMergeRequestService.Any(p => p.ModifierEmail == dto.ModifierEmail && p.MergeState == MergeStatus.Block))
{
return(ResultData(null, false, "由于您曾经多次恶意修改文章，已经被标记为黑名单，无法修改任何文章，如有疑问，请联系网站管理员进行处理。"));
}
if (post.PostMergeRequests.Any(p => p.ModifierEmail == dto.ModifierEmail && p.MergeState == MergeStatus.Pending))
{
return(ResultData(null, false, "您已经提交过一次修改请求正在待处理，暂不能继续提交修改请求！"));
}
#endregion
#region 直接合并
if (post.Email.Equals(dto.ModifierEmail))
{
var history = post.Mapper <PostHistoryVersion>();
Mapper.Map(dto, post);
post.PostHistoryVersion.Add(history);
post.ModifyDate = DateTime.Now;
return(await PostService.SaveChangesAsync() > 0 ? ResultData(null, true, "你是文章原作者，无需审核，文章已自动更新并在首页展示！") : ResultData(null, false, "操作失败！"));
}
#endregion
var merge = post.PostMergeRequests.FirstOrDefault(r => r.Id == dto.Id && r.MergeState != MergeStatus.Merged);
if (merge != null)
{
Mapper.Map(dto, merge);
merge.SubmitTime = DateTime.Now;
merge.MergeState = MergeStatus.Pending;
}
else
{
merge = Mapper.Map <PostMergeRequest>(dto);
merge.SubmitTime = DateTime.Now;
post.PostMergeRequests.Add(merge);
}
var b = await PostService.SaveChangesAsync() > 0;
if (!b)
{
return(ResultData(null, false, "操作失败！"));
}
await RedisHelper.ExpireAsync("code:" + dto.ModifierEmail, 1);
await messageService.AddEntitySavedAsync(new InternalMessage()
{
Title = $"来自【{dto.Modifier}】对文章《{post.Title}》的修改请求",
Content = dto.Title,
Link = "#/merge/compare?id=" + merge.Id
});
var content = new Template(await System.IO.File.ReadAllTextAsync(HostEnvironment.WebRootPath + "/template/merge-request.html"))
.Set("title", post.Title)
.Set("link", Url.Action("Index", "Dashboard", new { }, Request.Scheme) + "#/merge/compare?id=" + merge.Id)
.Set("diff", diff)
.Set("host", "//" + Request.Host)
.Set("id", merge.Id.ToString())
.Render();
BackgroundJob.Enqueue(() => CommonHelper.SendMail("博客文章修改请求：", content, CommonHelper.SystemSettings["ReceiveEmail"], ClientIP));
return(ResultData(null, true, "您的修改请求已提交，已进入审核状态，感谢您的参与！"));
}
