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#13: Avoid nil pointer references in template handling
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parent
1fcd89e02d
commit
08cf367772
1 changed files with 18 additions and 0 deletions
18
msg.go
18
msg.go
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@ -405,6 +405,9 @@ func (m *Msg) SetBodyWriter(ct ContentType, w func(io.Writer) (int64, error), o
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// SetBodyHTMLTemplate sets the body of the message from a given html/template.Template pointer
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// The content type will be set to text/html automatically
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func (m *Msg) SetBodyHTMLTemplate(t *ht.Template, d interface{}, o ...PartOption) error {
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if t == nil {
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return fmt.Errorf("template pointer is nil")
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}
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buf := bytes.Buffer{}
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if err := t.Execute(&buf, d); err != nil {
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return fmt.Errorf("failed to execute template: %w", err)
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@ -417,6 +420,9 @@ func (m *Msg) SetBodyHTMLTemplate(t *ht.Template, d interface{}, o ...PartOption
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// SetBodyTextTemplate sets the body of the message from a given text/template.Template pointer
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// The content type will be set to text/plain automatically
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func (m *Msg) SetBodyTextTemplate(t *tt.Template, d interface{}, o ...PartOption) error {
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if t == nil {
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return fmt.Errorf("template pointer is nil")
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}
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buf := bytes.Buffer{}
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if err := t.Execute(&buf, d); err != nil {
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return fmt.Errorf("failed to execute template: %w", err)
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@ -443,6 +449,9 @@ func (m *Msg) AddAlternativeWriter(ct ContentType, w func(io.Writer) (int64, err
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// AddAlternativeHTMLTemplate sets the alternative body of the message to a html/template.Template output
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// The content type will be set to text/html automatically
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func (m *Msg) AddAlternativeHTMLTemplate(t *ht.Template, d interface{}, o ...PartOption) error {
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if t == nil {
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return fmt.Errorf("template pointer is nil")
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}
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buf := bytes.Buffer{}
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if err := t.Execute(&buf, d); err != nil {
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return fmt.Errorf("failed to execute template: %w", err)
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@ -455,6 +464,9 @@ func (m *Msg) AddAlternativeHTMLTemplate(t *ht.Template, d interface{}, o ...Par
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// AddAlternativeTextTemplate sets the alternative body of the message to a text/template.Template output
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// The content type will be set to text/plain automatically
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func (m *Msg) AddAlternativeTextTemplate(t *tt.Template, d interface{}, o ...PartOption) error {
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if t == nil {
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return fmt.Errorf("template pointer is nil")
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}
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buf := bytes.Buffer{}
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if err := t.Execute(&buf, d); err != nil {
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return fmt.Errorf("failed to execute template: %w", err)
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@ -754,6 +766,9 @@ func fileFromReader(n string, r io.Reader) *File {
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// fileFromHTMLTemplate returns a File pointer form a given html/template.Template
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func fileFromHTMLTemplate(n string, t *ht.Template, d interface{}) (*File, error) {
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if t == nil {
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return nil, fmt.Errorf("template pointer is nil")
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}
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buf := bytes.Buffer{}
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if err := t.Execute(&buf, d); err != nil {
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return nil, fmt.Errorf("failed to execute template: %w", err)
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@ -764,6 +779,9 @@ func fileFromHTMLTemplate(n string, t *ht.Template, d interface{}) (*File, error
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// fileFromTextTemplate returns a File pointer form a given text/template.Template
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func fileFromTextTemplate(n string, t *tt.Template, d interface{}) (*File, error) {
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if t == nil {
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return nil, fmt.Errorf("template pointer is nil")
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}
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buf := bytes.Buffer{}
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if err := t.Execute(&buf, d); err != nil {
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return nil, fmt.Errorf("failed to execute template: %w", err)
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