IsUrlValid() public static méthode

Check if given url is valid http or https url.
public static IsUrlValid ( string url ) : bool
url string
Résultat bool
Exemple #1
0
        private List <LogInfo> CheckInterfaceSection(ScriptSection section, string rawLine = null, int lineIdx = 0)
        {
            // If this section was already visited, return.
            if (_visitedSections.Contains(section.Name))
            {
                return(new List <LogInfo>());
            }
            _visitedSections.Add(section.Name);

            // Force parsing of code, bypassing caching by section.GetUICtrls()
            string[] lines = section.Lines;
            if (lines == null)
            {
                string msg = $"Section [{section.Name}] is not a valid interface section";
                if (rawLine != null)
                {
                    msg += $" ({rawLine})";
                }
                if (0 < lineIdx)
                {
                    msg += $" (Line {lineIdx})";
                }

                return(new List <LogInfo> {
                    new LogInfo(LogState.Error, msg)
                });
            }

            (List <UIControl> uiCtrls, List <LogInfo> logs) = UIParser.ParseStatements(lines, section);
            foreach (UIControl uiCtrl in uiCtrls)
            {
                switch (uiCtrl.Type)
                {
                case UIControlType.CheckBox:
                {
                    UIInfo_CheckBox info = uiCtrl.Info.Cast <UIInfo_CheckBox>();

                    if (info.SectionName != null)
                    {
                        if (_sc.Sections.ContainsKey(info.SectionName))         // Only if section exists
                        {
                            logs.AddRange(CheckCodeSection(_sc.Sections[info.SectionName], uiCtrl.RawLine, uiCtrl.LineIdx));
                        }
                        else
                        {
                            logs.Add(new LogInfo(LogState.Error, $"Section [{info.SectionName}] does not exist", uiCtrl));
                        }
                    }
                }
                break;

                case UIControlType.ComboBox:
                {
                    UIInfo_ComboBox info = uiCtrl.Info.Cast <UIInfo_ComboBox>();

                    // Practically, this means info.Index is -1 -> uiCtrl.Text not being one of info.Items
                    if (info.Index < 0 || info.Items.Count <= info.Index)
                    {
                        logs.Add(new LogInfo(LogState.Warning, $"Incorrect selected value [{uiCtrl.Text}]", uiCtrl));
                    }
                }
                break;

                case UIControlType.Image:
                {
                    // Check encoded image
                    string imageSection = StringEscaper.Unescape(uiCtrl.Text);
                    if (!imageSection.Equals(UIInfo_Image.NoResource, StringComparison.OrdinalIgnoreCase) &&
                        !EncodedFile.ContainsInterface(_sc, imageSection))
                    {
                        logs.Add(new LogInfo(LogState.Warning, $"Image resource [{imageSection}] does not exist", uiCtrl));
                    }

                    UIInfo_Image info = uiCtrl.Info.Cast <UIInfo_Image>();

                    // Check if image control have empty or invalid url.
                    // Ex) Colors_Image=ThemeColors.jpg,1,5,11,228,260,80,
                    if (info.Url != null)
                    {
                        string url = StringEscaper.Unescape(info.Url);
                        if (!StringEscaper.IsUrlValid(url))
                        {
                            if (url.IndexOf("://", StringComparison.Ordinal) != -1)
                            {
                                logs.Add(new LogInfo(LogState.Warning, $"Incorrect URL [{url}]", uiCtrl));
                            }
                            else
                            {
                                logs.Add(new LogInfo(LogState.Warning, "URL does not have a scheme. Did you omit \"http(s)://\"?", uiCtrl));
                            }
                        }
                    }
                }
                break;

                case UIControlType.TextFile:
                {
                    string textSection = StringEscaper.Unescape(uiCtrl.Text);
                    if (!textSection.Equals(UIInfo_TextFile.NoResource, StringComparison.OrdinalIgnoreCase) &&
                        !EncodedFile.ContainsInterface(_sc, textSection))
                    {
                        logs.Add(new LogInfo(LogState.Warning, $"Text resource [{textSection}] does not exist", uiCtrl));
                    }
                }
                break;

                case UIControlType.Button:
                {
                    UIInfo_Button info = uiCtrl.Info.Cast <UIInfo_Button>();

                    string pictureSection = info.Picture;
                    if (pictureSection != null &&
                        !pictureSection.Equals(UIInfo_Button.NoPicture, StringComparison.OrdinalIgnoreCase) &&
                        !EncodedFile.ContainsInterface(_sc, pictureSection))
                    {
                        if (pictureSection.Length == 0)         // Due to quirks of WinBuilder's editor, many buttons have '' instead of '0' in the place of <Picture>.
                        {
                            logs.Add(new LogInfo(LogState.Warning, "Image resource entry is empty. Use [0] to represent not having an image resource.", uiCtrl));
                        }
                        else
                        {
                            logs.Add(new LogInfo(LogState.Warning, $"Image resource [{pictureSection}] does not exist", uiCtrl));
                        }
                    }

                    if (info.SectionName != null)
                    {
                        if (_sc.Sections.ContainsKey(info.SectionName))         // Only if section exists
                        {
                            logs.AddRange(CheckCodeSection(_sc.Sections[info.SectionName], uiCtrl.RawLine, uiCtrl.LineIdx));
                        }
                        else
                        {
                            logs.Add(new LogInfo(LogState.Error, $"Section [{info.SectionName}] does not exist", uiCtrl));
                        }
                    }
                }
                break;

                case UIControlType.WebLabel:
                {
                    UIInfo_WebLabel info = uiCtrl.Info.Cast <UIInfo_WebLabel>();

                    // Sometime developers forget to put proper scheme in WebLabel's url.
                    // Ex) PStart_WebLabel="PStart Homepage",1,10,668,122,98,18,www.pegtop.de/start/
                    string url = StringEscaper.Unescape(info.Url);
                    if (!StringEscaper.IsUrlValid(url))
                    {
                        if (url.IndexOf("://", StringComparison.Ordinal) != -1)
                        {
                            logs.Add(new LogInfo(LogState.Warning, $"Incorrect URL [{url}]", uiCtrl));
                        }
                        else
                        {
                            logs.Add(new LogInfo(LogState.Warning, "URL does not have scheme. Did you omit \"http(s)://\"?", uiCtrl));
                        }
                    }
                }
                break;

                case UIControlType.RadioButton:
                {
                    UIInfo_RadioButton info = uiCtrl.Info.Cast <UIInfo_RadioButton>();

                    if (info.SectionName != null)
                    {
                        if (_sc.Sections.ContainsKey(info.SectionName))         // Only if section exists
                        {
                            logs.AddRange(CheckCodeSection(_sc.Sections[info.SectionName], uiCtrl.RawLine, uiCtrl.LineIdx));
                        }
                        else
                        {
                            logs.Add(new LogInfo(LogState.Error, $"Section [{info.SectionName}] does not exist", uiCtrl));
                        }
                    }
                }
                break;

                case UIControlType.FileBox:
                {
                    UIInfo_FileBox info = uiCtrl.Info.Cast <UIInfo_FileBox>();

                    if (info.IsFile)
                    {         // Select File
                        if (info.Filter != null)
                        {
                            string filter = StringEscaper.Unescape(info.Filter);
                            if (StringEscaper.IsFileFilterValid(filter) == false)
                            {
                                logs.Add(new LogInfo(LogState.Warning, $"File filter pattern [{filter}] is invalid", uiCtrl));
                            }
                        }
                    }
                    else
                    {         // Select Folder
                        if (info.Filter != null)
                        {
                            logs.Add(new LogInfo(LogState.Warning, $"File filters cannot be used for folder selection", uiCtrl));
                        }
                    }
                }
                break;

                case UIControlType.RadioGroup:
                {
                    UIInfo_RadioGroup info = uiCtrl.Info.Cast <UIInfo_RadioGroup>();

                    if (info.SectionName != null)
                    {
                        if (_sc.Sections.ContainsKey(info.SectionName))         // Only if section exists
                        {
                            logs.AddRange(CheckCodeSection(_sc.Sections[info.SectionName], uiCtrl.RawLine, uiCtrl.LineIdx));
                        }
                        else
                        {
                            logs.Add(new LogInfo(LogState.Error, $"Section [{info.SectionName}] does not exist", uiCtrl));
                        }
                    }

                    // Practically, this means info.Index is -1 -> uiCtrl.Text not being one of info.Items
                    if (info.Selected < 0 || info.Items.Count <= info.Selected)
                    {
                        logs.Add(new LogInfo(LogState.Warning, $"Incorrect selected index [{info.Selected}]", uiCtrl));
                    }
                }
                break;
                }
            }
            return(logs);
        }